Answer:
Explanation:
Sickle cell trait is an autosomal recessive genetic disorder caused by a mutation in the HBB gene that codes for the beta-globin subunit of hemoglobin. A person with sickle cell trait inherits one normal copy and one mutated copy of the HBB gene, while a person with sickle cell anemia inherits two copies of the mutated gene.
The probability of their child having sickle cell trait, normal, or sickle cell anemia can be calculated using Punnett square analysis:
HbA (normal) HbS (sickle cell trait)
HbA HbA HbA (normal) HbA HbS (sickle cell trait)
HbS HbA HbS (sickle cell trait) HbS HbS (sickle cell anemia)
a) The probability of the child having sickle cell trait (HbA HbS) is 50%.
b) The probability of the child being normal (HbA HbA) is 25%.
c) The probability of the child having sickle cell anemia (HbS HbS) is 25%.
No, the sickle cell trait would not be transmitted to the recipient through a blood transfusion. Sickle cell trait is not contagious and cannot be transmitted through blood transfusions, organ transplants, or other forms of casual contact. The transfused blood will carry the donor's hemoglobin, but it will not change the recipient's genetic makeup or cause them to develop sickle cell trait. However, if the recipient has a child with a partner who has sickle cell trait or sickle cell anemia, there is a chance that their child may inherit the disorder.
Draw a diagram to show how glucose would bond together and be broken down.
Answer:
Explanation
image down below
All of the following are associated with monocultures EXCEPT:
Question 27 options:
increased ability to respond to climate change
more efficient harvest on large-scale farms
reduction in agricultural biodiversity
increased production by focusing on the hardiest variety of a crop
Option A increased ability to respond to climate change is Not Following Monocultures.
A single crop is grown in a monoculture, or single-crop system, on a specific plot of land. Multiple cropping, which involves cultivating a variety of crops, is the antithesis of this farming method.
The possibility of parasite/pest attack on the crops is one drawback of planting a diversity of crops as opposed to a single crop in monoculture. Pests and parasites can quickly spread across the many crops grown on the farm.
ruins the nutrients in the soil.leads to the use of dangerous chemicals.groundwater supplies are contaminated.negatively impacts and modifies the natural ecology.destroys soil erosion and degradation in general.Irrigating takes a lot of water.uses a lot of energy from fossil fuelsLearn more about Monocultures here
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The nurse enters the room to find that the clients trash can is in flames. The client is in bed and the edge of the gown is smoking. The nurse would take which action first?
The process of converting carbon dioxide to organic products is called
Answer:
photosynthesis
Explanation:
What can you infer from the rock record and the fossil record? Give
two specific examples of evidence and how that evidence helps
scientists organize geologic time.
From the rock record and fossil record, scientists can infer the history of the Earth and the changes that have occurred over time. The rock record provides information about the physical and chemical properties of rocks and their formation, while the fossil record provides evidence of the past life on Earth.
One specific example of evidence from the rock record is the principle of superposition. This principle states that in a sequence of undisturbed rocks, the oldest rocks are at the bottom and the youngest rocks are at the top. By studying the order of rock layers, scientists can determine the relative ages of the rocks and the events that occurred during their formation.
Another example of evidence from the fossil record is the concept of index fossils. Index fossils are fossils of organisms that lived during a relatively short period of geologic time and were widespread, making them useful for dating rocks and correlating geologic events. For example, the trilobite species Phacops rana is an index fossil of the Ordovician period, which helps scientists to identify and date rocks of that age.
Overall, the evidence from the rock and fossil record helps scientists to organize geologic time by providing a relative timeline of events and the evolution of life on Earth.
16. Which of the following is a possible food chain in a temperate deciduous forest?
wildflowers, rabbits, foxes
rabbits, foxes, wildflowers
wildflowers, foxes, rabbits
foxes, wildflowers, rabbits
Answer:
The correct answer is: wildflowers, rabbits, foxes
Explanation:
The correct answer is: wildflowers, rabbits, foxes
In a food chain, energy is transferred from one organism to another in a linear sequence. The organisms at the beginning of the food chain are usually producers, such as plants, which are eaten by herbivores, such as rabbits. In turn, the herbivores are consumed by predators, such as foxes.
In a temperate deciduous forest, wildflowers are a common type of plant that can be eaten by rabbits, which are in turn eaten by foxes. Therefore, the correct food chain is wildflowers (producer) → rabbits (herbivore) → foxes (predator).
What is a non-example of coastal wetland?
Answer:
A non-example of coastal wetland would be a mountain range, desert, or urban area. Coastal wetlands refer to a specific type of ecosystem that is located in the intertidal zone, where land meets the sea and is characterized by wet and marshy areas.
how does pollution in the marine life affect human health?
Answer:
According to a recent study, ocean pollution is a growing problem which has a negative impact on human health. Humans can ingest toxic and dangerous chemicals by eating seafood which was exposed to this pollution. Ocean pollutants also damage the environment and spread harmful microorganisms.
Explanation:
Ответ: Очень просто. Perhaps I will answer in English. The fish that we catch and eat accumulates bad trace elements in itself, and this is very harmful to the human body.
Вроде правильно:)
When electrical energy is used, what type of energy is also produced and considered to be waste energy
Answer:
The answer to your question is Thermal energy
Explanation:
When converting to electrical energy, some equipment is needed, like generators, transformers, cables, circuit breakers, and every kind of devices with specific functions to have a good and safe electrical service. Each device has an internal resistance that opposes the flow of current. The resistances produce thermal energy as a result of current flowing through them. It's not possible to avoid this waste of energy, electrical engineers do their best to use better materials and configurations to reduce the thermal waste to a minimum.
I hope this helps and have a wonderful day!
Improvements in technology have allowed for the raising and harvesting of fish for commercial sale.
Which term describes this practice?
Responses
aquaculture
desalination
water sampling
sonar imagery
Answer:
Aquaculture
Explanation: Its is the practice of culturing of aquatic life
Aquaculture is technology have allowed for the raising and harvesting of fish for commercial sale.
The farmer's attempts to speed up and improve the growth of aquaculture species are what define aquaculture as a form of farming.
Aquaculture is the process of increasing populations of freshwater, brackish water, and saltwater species in artificial or semi-natural conditions, in contrast to commercial fishing, which also entails catching wild fish.
In contrast to fishing, these methods enable the selective expansion of production of the species that humans desire the most.
In coastal areas, the main potential threats to marine health are poisons, dregs, and overflow. The health of the marine ecosystem offshore is also assessed.
A natural researcher may be necessary, for example, to take into account the impact of an oil slick or other compound risk in the sea. In order to see concerns like the substance cosmetics of residue, the effect of disintegration, and the impact of digging sea bottoms on the marine condition, natural researchers also study the benthic conditions on the sea floor.
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What is the action of the highlighted muscle?
Option A is Correct. A synergist is a muscle that supports the muscle that performs the majority of an action.
Muscles that support or are in charge of supporting a similar group of joints during movement are known as synergist muscles. They play the agonist rather often. This muscle helps to create motion or movement close to a moveable joint.
For instance, the synergist muscle biceps brachii supports forearm flexion actions. At the muscle's origin, a fixator may also function as a synergist.
A tiny muscle called the teres major (TM) runs along the lateral aspect of the scapula. One of the seven scapulohumeral muscles, it aids in shoulder movement by acting on the glenohumeral joint. It's sometimes called "lat's little helper" because of its synergistic action with the latissimus dorsi.
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What is the action of Highlighted muscles?
a. synergist
b. originator
c. agonist
d. levator
e. antagonist
(I WILL MARK YOU BRAINLIEST) Why do those native to the Tibetan Plateau have an advantage (name the gene)? How does it provide an advantage? Use this excerpt to explain the relationship between adaptation and natural selection.
"Organisms, like a camel, have traits that allow them to survive in their environment. These traits are passed down through natural selection. Natural selection is the process where organisms better adapted to their environment will survive better and produce more offspring.. These traits are also known as adaptations. Adaptations can be anatomical (how the organism is built), behavioral, or physiological (how parts of an organism function). About 800 people each year attempt to climb Mount Everest. Mount Everest is located on the border between Tibet and Nepal in the Himalayas in Asia. The dangers of climbing Mount Everest include avalanches, cracking ice flows, and deep deadly crevices. However, the most trouble that climbers run into is altitude sickness. Altitude sickness is a group of symptoms that can happen when walking or climbing in higher altitudes. Most cases of altitude sickness are mild, while some symptoms can be life threatening. When climbing Mount Everest, there is an area known as the “death zone” that climbers hit when they reach about 8000 meters above sea level. In the death zone, the lungs and brain do not get enough oxygen, the risk of stroke and heart attack increases, and judgment is impaired. Those native to the Tibetan plateau have adapted to living at high altitudes with lower oxygen levels and are able to help mountain climbers. Tibetans have several genes that allow them to use less oxygen when they are working or exerting energy. Scientist have studied the genes of the Tibetans and found when one version of a gene was expressed, or allele, the people had a 10 percent higher saturation of oxygen. This means their blood contained 10 percent more oxygen than most people. The study also found that women who have the genotype for high oxygen saturation have more living children and lower death rates, which allows this gene to be passed from parent to offspring more efficiently. The gene that gives those native to the Tibetan plateau the advantage is the EPAS1 gene. This gene helps produce hemoglobin, an iron-containing red protein that carries oxygen in the blood.. The EPAS1 gene provides instructions for a protein that plays a role in the body’s ability to adapt to changing oxygen levels. The protein also controls cell division, forming new blood vessels and making new red blood cells. Scientists have compared the genetic makeup of the Tibetan people to those of Han Chinese people who live in the lowlands of Mount Everest. The two populations split, and Tibetans migrated to the highlands less than 3000 years ago. The scientists concluded that the EPAS1 gene was not prevalent in the Han Chinese population, and the increased abundance in the Tibetan people was a result of natural selection."
Answer:
“The Tibetan genome appears to arise from a mixture of two ancestral gene pools,” said Anna Di Rienzo, professor of human genetics at the University of Chicago and corresponding author of the study. “One migrated early to high altitude and adapted to this environment. The other, which migrated more recently from low altitudes, acquired the advantageous alleles from the resident high-altitude population by interbreeding and forming what we refer to today as Tibetans.”
High elevations are challenging for most humans because of low oxygen levels, but Tibetans spend their lives above 13,000 feet with little issue. They are better suited to that climate when compared to short-term visitors from low altitudes, thanks to physiological traits such as relatively low hemoglobin concentrations at altitude.
Unique to Tibetans are variants of the EGLN1 and EPAS1 genes, key genes in the oxygen homeostasis system at all altitudes. These variants were hypothesized to have evolved around 3,000 years ago, a date which conflicts with much older archaeological evidence of human settlement in Tibet.
Adaptations can be anatomical (how the organism is built), behavioral, or physiological (how parts of an organism function). About 800 people each year attempt to climb Mount Everest. Mount Everest is located on the border between Tibet and Nepal in the Himalayas in Asia. The dangers of climbing Mount Everest include avalanches, cracking ice flows, and deep deadly crevices. However, the most trouble that climbers run into is altitude sickness. Altitude sickness is a group of symptoms that can happen when walking or climbing in higher altitudes. Most cases of altitude sickness are mild, while some symptoms can be life threatening. When climbing Mount Everest, there is an area known as the “death zone” that climbers hit when they reach about 8000 meters above sea level. In the death zone, the lungs and brain do not get enough oxygen, the risk of stroke and heart attack increases, and judgment is impaired. Those native to the Tibetan plateau have adapted to living at high altitudes with lower oxygen levels and are able to help mountain climbers. Tibetans have several genes that allow them to use less oxygen when they are working or exerting energy. Scientist have studied the genes of the Tibetans and found when one version of a gene was expressed, or allele, the people had a 10 percent higher saturation of oxygen.
What is a non-example of brackish water?
Answer:
A non-example of brackish water would be water that is not a mixture of fresh and saltwater. For example, distilled water, which contains no dissolved salts or minerals, would be a non-example of brackish water.
During the Calvin Cycle, ___ occurs, in which carbon dioxide is added to a sugar molecule.
During the Calvin cycle, the process of carbon fixation occurs, in which carbon dioxide (CO2) is added to a five-carbon sugar molecule called ribulose-1,5-bisphosphate (RuBP) through the enzyme RuBisCO, forming an unstable six-carbon molecule.
This molecule immediately splits into two molecules of 3-phosphoglycerate (3-PGA), which can be further converted into glyceraldehyde-3-phosphate (G3P), a three-carbon sugar that can be used to build more complex organic molecules such as glucose.
The Calvin cycle is a series of biochemical reactions that occur in the chloroplasts of plants and algae and is essential for the process of photosynthesis, which converts light energy into chemical energy stored in the bonds of organic molecules.
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Genes that code for a specific protein can be inserted into bacterial plasmids, and then the plasmids are used to transform cells. Many useful
human proteins are now synthesized by these transgenic bacteria. Uses for the synthesized proteins include human insulin used to treat
diabetes and human growth hormone used to treat dwarfism.
Which tenet of cell theory BEST serves as a basis for this type of biotechnology?
Answer:
The tenet of cell theory that BEST serves as a basis for this type of biotechnology is that all living things are composed of cells.
Cell theory states that all living things are composed of one or more cells and that the cell is the basic unit of life. In biotechnology, genes that code for a specific protein can be inserted into bacterial plasmids, which are small circular pieces of DNA found in bacteria, and then the plasmids are used to transform cells. The transformed cells can then produce the desired protein. This process is based on the understanding that all living things are composed of cells and that the genetic information necessary to produce specific proteins is contained within the cell's DNA. Without this understanding of the basic unit of life being the cell, it would not be possible to create transgenic bacteria to synthesize human proteins for medical use.
What conditions do you need to change in order for the bread to become fluffier? Name at least TWO
Explain
Answer:
To make bread fluffier, you can try changing the following conditions:
1. Increase the amount of yeast: Yeast is a crucial ingredient in bread making that helps the dough to rise and become fluffy. Increasing the amount of yeast can help to make the bread fluffier.
2. Allow the dough to rise for longer: Allowing the dough to rise for a longer period can give the yeast more time to produce gas and create air pockets in the bread, resulting in a fluffier texture.
3. Use bread flour instead of all-purpose flour: Bread flour has a higher protein content than all-purpose flour, which can help to give bread a better rise and a lighter, fluffier texture.
4. Add more liquid: Bread dough needs to be moist in order to rise properly. Adding more liquid can help to create a softer, fluffier bread.
It is important to note that making bread fluffier can be a delicate balance between the ingredients and the techniques used. Experimenting with these factors can help to achieve the desired texture.
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The main DIFFERENCE between the Green Revolution and the Gene Revolution is:
Question 21 options:
the Green Revolution is still ongoing, but the Gene Revolution has already ended
only one of these consolidated power into the hands of a few large corporations
wealthy nations were the first to join only one of these revolutions
only of them relied on the best technology available at the time
Option D. Only of them relied on the best technology available at the time is the main difference between the Green Revolution and the Gene Revolution
Green Revolution alters the genetic makeup of wheat and rice plants using conventional methods like tissue culture and breeding. Gene revolution modifies the molecular makeup of seeds using the most recent biotechnological technologies, such as gene guns and recombinant DNA technology.
The use of biotechnology in food production is known as the "gene revolution." Farmers can benefit greatly from it since it generates crops that are resistant to pests and illnesses and gives them disease-free planting material, minimising the need for pesticides that are bad for the environment and people's health.
The term "Green Revolution" describes a time when modern agricultural practises and technologies, including the use of High Yielding Variety Seeds, irrigation systems, herbicides, and fertilisers, were adopted, transforming Indian agriculture into an industrial system.
In general, the Green Revolution's results increased the amount of land used for farming and encouraged double-cropping, which involves planting two crops instead of one each year.
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What is the first step of translation?
A. rRNA unwinds a section of DNA to allow RNA polymerase to copy
a gene.
B. The mRNA of a ribosome attaches to a strand of rRNA, looking for
the start codon.
OC. The rRNA of a ribosome attaches to a strand of mRNA, looking for
the start codon.
D. RNA polymerase unwinds a section of DNA. The DNA is used as a
template to build a strand of mRNA.
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SUBMIT
Answer:
I believe your answer is: B) The mRNA of a ribosome attaches to a strand of rRNA, looking for the start codon
Explanation:
After an extreme disturbance, what kind of organisms move into the area first
After an extreme disturbance, the kind of organisms that move into an area first are the pioneer species.
What are pioneer species?After an extreme disturbance, such as a fire or volcanic eruption, pioneer species are often the first organisms to move into the area. These are typically hardy, fast-growing species that can quickly colonize the area and establish themselves in the newly available space.
In terrestrial ecosystems, pioneer species may include grasses, mosses, and lichens, which are able to quickly grow and spread across the disturbed area. These plants are often adapted to harsh environmental conditions, such as drought, high temperatures, and low soil nutrients, which may be present in the aftermath of a disturbance.
In aquatic ecosystems, pioneer species may include algae and other microorganisms, which can quickly colonize the available surface area and begin photosynthesizing. These organisms are often able to rapidly reproduce and establish themselves in the disturbed area, creating a foundation for other organisms to colonize the area.
Pioneer species play an important role in ecosystem recovery, as they help to stabilize the soil, build organic matter, and create habitats for other organisms. As the ecosystem recovers, other, more specialized species can move in and establish themselves, eventually leading to the development of a more complex and diverse ecosystem.
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On a food pyramid, where is the most energy for the ecosystem?
A. In the middle with the omnivores.
B. Near the bottom with the herbivores.
C. At the top with the top carnivores.
D. At the bottom with the producers.
Option D is the most energy for the eco system. The producers are located in the base of the pyramid, which is also its greatest level.
The amount of energy declines and the levels get smaller as you climb the pyramid to reach primary, secondary, and tertiary consumers through the trophic levels.
Producers are organisms like plants, algae, and some bacteria that operate as the main energy source by converting light or chemical energy into food like glucose. Producers play a significant part in every ecosystem. Both directly and indirectly, they are necessary for both herbivores and carnivores.
As a result, Option c's producers—organisms like algae and green plants that can manufacture their own food using the energy of the sun—would be the source of the greatest energy in an ecosystem.
The food chain's top trophic level contains the greatest energy. The producers, which include all photosynthetic creatures, are found at this level. Moreover, occasionally photosynthetic bacteria and protists are included in this. These organisms convert solar energy into organic sugar by using it.
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Forest cover about 30% of our planet they preserve biodiversity and nurturing thousands of blank species. They also provide raw materials for furniture, paper, and printing industries.
Answer:c
Explanation:
What is the relationship between structure and function in the body? Provide an example from the human body.
Please help me!!
Use this image to explain the difference between causation and correlation:
One thing causing another is known as causation; in other words, action A results in outcome B. Nevertheless, correlation is just a relationship where action A is related to action B, even when one event does not always lead to the occurrence of the other.
What distinguishes correlation from causation?However, a correlation between two variables does not necessarily imply that a change in one variable is the reason for a change in the values of the other. There is a causal relationship between the two occurrences, which means that causation shows that one event is the outcome of the occurrence of the other event.
Which scenario best exemplifies correlation rather than causation?In other words, just because two things correlate does not necessarily entail that one is the cause of the other. For instance, just because shoppers in the UK tend to spend more when it's cold outside and less when it's hot outside doesn't necessarily indicate chilly weather spurs on frenetic high-street shopping.
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Causation is defined as one thing causing another; in other words, action A results in outcome B. However, correlation is just a relationship in which action A is related to action B, even if one event does not always result in the occurrence of the other. A correlation between two variables, however, does not always imply that a change in one variable is the cause of a change in the values of the other. There is a causal relationship between the two occurrences, which means that one event is the result of the other event's occurrence. To put it another way, simply because two things correlate does not mean that one is the cause of the other. To put it another way, simply because two things correlate does not mean that one is the cause of the other. For example, just because shoppers in the United Kingdom tend to spend more when it's cold outdoors and less when it's hot outside doesn't mean that cold weather encourages frenzied high-street buying.
Discrimination is a negative _______, whereas prejudice is a negative _______
A) attitude; behavior
B) behavior; attitude
C) belief; action
D) behavior; action
Explanation:
jpopwgtxfp meet compare the following using symbols greater than and smaller than than and = a) 4/7 and 3/8
Answer:
A) Discrimination is a negative behavior, whereas prejudice is a negative attitude.
Which of the following is not a pre zygotic barrier to reproduction?
A. Fertilization occurs, but the embryo dies before it is born.
B. The male gamete (pollen) of one flower is not compatible with the female organs of another flower.
Although fertilisation takes place, the zygote perishes before birth. is a post-zygotic barrier, not a pre-zygotic barrier to reproduction.
What are the obstacles before and after zygotic fertilisation?Prezygotic (barriers that inhibit fertilisation) or postzygotic reproductive isolation are both possible. barriers that develop after zygote development, like organisms that pass away while still embryos or are born sterile).
Which kind of obstacle is present prior to fertilisation?Before fertilization, prezygotic barriers prevent or make it difficult for members of distinct species to mate. These obstacles can include variations in habitats, mating practices, and genitalia. A type of postzygotic barrier known as hybrid zygote abnormality occurs when hybrid zygotes are unable to mature properly.
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In order to enter cells and be useful to the body, starch must be
(1) absorbed through the skin
(2) broken down into fats and water
(3) digested into simple sugars
(4) converted to carbon dioxide and ATP
Answer:
#3 digested into simple sugars
Explanation:
Starch is a carbohydrate, but specifically a polysaccharide. Unlike fats they cant be broken down so #2 is not correct for that reason. Since polysaccharides are a polymer of complex sugars they can be broken down to simple sugars in order for it to enter cells because the cell needs to transport the molecules in small portions not big. That is when the different types of transport comes in. :)
The earliest self-replicating information containing molecule is theorized to be RNA. Which type of RNA that we have learned about in all likelihood used to be able to self-replicate?
HINT: Which RNA does more than carry a message?
A. tRNA
B. CRNA
How is the possibility of revisiting and revising previously accepted ideas a strength of science?
Answer:
So that we can at any time be convinced of any theories based on past theories.
Explanation:
This is all because there are records of any scientific work.
One of science's greatest advantages is its ability to review and revise previously held beliefs. As fresh information and viewpoints are considered, it enables ongoing progress. This is crucial for science since it enables the creation of fresh hypotheses as well as the improvement of old ones.
What is the scientific method of the science ?The scientific method is the practise of examining and updating ideas. Making observations, developing hypothese, verifying those hypothese, and finally generating conclusions are all part of this process. Both the creation of novel theories and the improvement of preexisting ones are made possible by this process.
It also enables the addition of fresh evidence and the correction of errors. Science also benefits from the practise of reviewing and updating concepts since it enables the creation of new technologies. Scientists can create new technologies and applications that can be utilised to enhance people's lives by reviewing and updating concepts.
For instance, examining and updating previously accepted concepts has made it feasible to develop new medical treatments and technology. In conclusion, one of science's greatest strengths is its ability to examine and modify previously held beliefs. As fresh information and viewpoints are considered, it enables ongoing progress.
As a result of this process, new theories may be developed, old ones can be improved, and new technologies and applications can be created.
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Describe a food chain in detail. Use the teacher notes to help you. Must be 2-4 sentences with a complete description of a food chain and the types of organisms in that food chain. Please check spelling and grammar before submission.
Trees and shrubs, giraffes (who eat trees and shrubs), and lions are all connected by a straightforward food chain (that eat the giraffes). Every link in this chain provides fuel for the one after it.
Energy from the sun is the source of all food chains. Plants capture this energy. There are at least two or three trophic levels in every food chain and web. There are often no more than four trophic levels. Many consumers consume food at various trophic levels. When people eat plants like vegetables, they are the main consumers.
Who eats whom is described in a food chain. All of the food chains in an ecosystem make into a food web. Each organism in an ecosystem resides at a certain trophic level, position, or web of relationships with other organisms. The base of the trophic pyramid represents producers—animals that synthesise their own food through photosynthesis or chemosynthesis.
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what important things do primary producers such as phytoplankton and giant kelp provide for a healthy ecosystem?
Answer:
Phytoplankton are the foundation of the ocean food web, providing organic matter for virtually all other marine creatures. Their primary productivity limits the growth of crustaceans, fish, sharks, porpoises and other marine creatures. They are responsible for half of the photosynthetic activity on the planet. Phytoplankton’s role in the global ecosystem has made them a target for controlling carbon-dioxide levels in the earth’s atmosphere.
Giant kelp is a type of brown algae that grows in shallow, nutrient-rich saltwater near coastal fronts around the world. It provides habitat and food for a variety of marine organisms. Kelp and other types of marine vegetation absorb an estimated 20 times more carbon dioxide per acre than forests on land, making it a powerful force in storing this persistent greenhouse gas and mitigating the effects of climate change.