In ecological succession, large herbivores would most likely come first when forming an established ecosystem.
What is ecological succession?Ecological succession is the series of processes that alter the species structure of an ecological community over time.
Ecological succession can either be primary or secondary depending on whether there was an initial life form or not.
However, producers like plants, algae tend to grow first in both cases. Hence, herbivores that will consume them are the most likely come first when forming an established ecosystem.
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Which scenario is most likely to result in geographic isolation?
individuals from one population move into the territory of another population
a change in the course of a river
a new species introduced to an ecosystem
a disease wipes out most members of a population
Answer:I feel like
It’s the last one it’s make more sense to me
Explanation:
or a
The exocrine portion of the pancreas is composed of:.
The exocrine pancreas is involved with the secretion of digestive enzymes into the other gastrointestinal tract. It is composed of pancreatic acini. Thus, option c is correct.
What is an exocrine pancreas?An exocrine pancreas is the part of the pancreas that differs from the endocrine pancreas in cell structure and function. The exocrine pancreas is involved in the release of digestive ions.
The exocrine pancreas is composed of acini, while the endocrine is made of islets of Langerhans. The acinar cells of the exocrine are responsible for the transportation of the enzymes.
Therefore, the exocrine pancreas is made of acini.
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The complete question is attached to the image below.
Fats, sugars, and proteins are important food molecules. Which statement about these types of molecules is true?
In a pedigree, an affected male would be designated by:.
Answer:
a shaded square
Explanation:
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In a pedigree, an affected male would be designated by a shaded square. The correct answer is option 3.
A pedigree is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next.
In a pedigree, an affected male would be designated by a shaded square. This is because squares represent males in a pedigree, and shading indicates that the individual is affected by the trait being studied. In contrast, an open square would represent an unaffected male. Similarly, a shaded circle would represent an affected female, while an open circle would represent an unaffected female.
Therefore, a pedigree would show a shaded square for an affected man. Option 3 is the right answer.
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The given question is incomplete. The complete question is:
In a pedigree, an affected male would be designated by Multiple Choice
1.an open square.
2.an open circle.
3.a shaded square
4.a square with a line through it.
5.a shaded circle
Glycolysis results in the production of two ________ molecules from a single molecule of glucose. In the absence of ________, the end product of glycolysis is ________.
Glycolysis results in the production of two pyruvate molecules from a single molecule of glucose. In the absence of oxygen, the end product of glycolysis is lactate.
What is glycolysis?Glycolysis is a biological process that involves the cellular degradation of the simple sugar glucose to yield pyruvate, and ATP as an energy source.
Glycolysis occurs in the cytoplasm of living cells and results in the formation of two ATP molecules.
Glycolysis in the absence of oxygen results in a fermentation process that produces lactate.
Therefore, glycolysis results in the production of two pyruvate molecules from a single molecule of glucose. In the absence of oxygen, the end product of glycolysis is lactate.
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How did kettlewell determine if moths lived longer than others?.
Answer:
He placed light and dark moths on tree trunks where he could observe them and then he recorded the times a bird found the moth.
Explanation:
How did Kettlewell determine if moths lived longer than others? By monitoring the amount of dark and light-colored moths on the light and dark trees and seeing how many were caught by birds
Kettlewell determines if moths lived longer than others through the fact that it considerably analyzes the amount of dark and light-colored moths on the light and dark trees and observes the number of many that were caught by birds.
How did Dr. Kettlewell determine the fact?Dr. Kettlewell test his hypothesis of the evolutionary mechanism of industrial melanism, he directly studied bird predation on moths. Kettlewell placed light and dark moths on the trunks of trees from where they can be observed. Then the number of times a bird found the moth on the tree trunk was calculated.
According to the question, he recorded the times a bird found the moth. He found that on dark tree trunks, birds were twice as likely to eat a light moth as a dark moth. The same birds would find the dark moth twice as often if the bark on the tree was light.
This supported the idea that dark moths had a survival advantage in a dark forest. He placed light and dark moths on tree trunks where he could observe them and then he recorded the times a bird found the moth at a given place.
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What is the function of the arthropod exoskeleton?.
Answer:
The external skeleton of arthropods is a highly efficient system for small animals. The exoskeleton provides a large surface area for the attachment of muscles and, in addition to functioning in support and movement, also provides protection from the external environment.
Explanation:
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It can be inferred from the graph above that the decreasing water levels in Walker Lake are caused by the creation of reservoirs. Which of the following is evidence from the graph that shows the effect decreased water levels have had on the lake?
A:The dissolved solid concentration is increasing.
B:The graph does not show evidence of any effect decreased water levels are having on the lake.
C:The water temperature is rising.
D:The fish population is decreasing.
The dissolved solid concentration increasing is the evidence which shows the effect decreased water levels have had on the lake.
What is Concentration?
This is defined as the ratio of the solute to the solvent or the total solution. A lake comprises of a solution with different solutes and solvent which is water.
When the water levels in the lake decreases, the solid concentration increases which is why option A was chosen.
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what is cytoplasm?? what is a cell??
Answer:
Cytoplasm is the gelatinous liquid that fills the inside of a cell. It is composed of water, salts, and various organic molecules. Some intracellular organelles, such the nucleus and mitochondria, are enclosed by membranes that separate them from the cytoplasm. A Cell in biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell. The basic unit of a living organism.
A number of mechanisms operate to maintain genetic diversity in a population. Why is such diversity favored?.
Answer:
Genetic diversity may better adapt a population to inevitable changes in the environment.
Speciation that takes place when a physical barrier subdivides a large population is called ____ speciation.
Answer:
Your answer is allopatric speciation.
Explanation:
Allopatric speciation is speciation that occurs when biological populations of the same species become isolated due to geographical changes such as mountain building or social changes such as emigration. Hope this helped :)
DNA sequences that cap chromosomes, known as ______, become shorter and shorter each time a cell divides; and after about 70 or 80 such divisions, they are dramatically reduced, and the cell can no longer reproduce.
Telomere is the DNA sequence that cap chromosomes and it become shorter each time a cell divides.
What are Telomeres?Telomeres are DNA sequence that cap chromosomes and are made up repetitive sequences of non-coding DNA which help to protect the chromosome from been damaged. Anytime, a cell divides, the telomeres become shorter and continue to become so short that the cell can no longer divide.
Therefore, DNA sequence that cap chromosomes is called Telomere.
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The effect is what causes the rotation of a hurricane?.
Answer:
The Coriolis effect is what causes the rotation of a hurricane :))
I'll give brainliest if you have a good answer!
What is the effect of the inheritance of one trait on the inheritance of a second trait?
when the genes are independent, then one gene has no effect on the others inheritance, if they are linked, they are likely to be inherited together, so when you get one, you get the other as well. i hope this helped n srry if im late
The structural cells of the nervous system are called.
Answer:
The structural cells of the nervous system are called neurons.
Also, there are two main cell types; such as neurons and neuroglia.
Explanation:
DNA polymerase always moves from ________ along the strand resulting in DNA replication to be continuous on one strand and discontinuous on the other.
DNA polymerase always moves from the 5' to 3' direction along the strand, resulting in DNA replication being continuous on one strand and discontinuous on the other.
Hope this helps!
100 points! Answer these questions right now!
Why is ocean acidification important to us?
What will happen to the pH of the water when CO2 is added?
What does the abbreviation “pH” stand for?( briefly explain)
#1
Ocean acidification is harmful for aquatic ecosystemThis is being reason for death of many aquatic creatures#2
CO_2 will form carbonic acid which is acidic in nature
So it will decrease the pH#3
PH stands for potential of Hydrogen .
If pH is less than 7 it's acidic and if greater than 7 it's basicExplanation:
Acidification reduces the availability of carbonate ions in ocean water, which provide the building blocks these organisms need to make their shells and skeletons, significantly reducing the chances for their offspring to survive.
when carbon dioxide is dissolved in water, the release of hydrogen ions in carbonic acid is what lowers the pH. As CO2 levels increase around Earth, the amount of dissolved CO2 also increases, which increases the amount of carbonic acid, therefore decreasing the pH.
pH stands for "power of hydrogen." The "H" is capitalized because it is the hydrogen element symbol. pH is a measure of how acidic or basic an aqueous solution is. It is calculated as the negative logarithm of hydrogen ion concentration.
The ____ is a cool, northern forest biome dominated by conifers
The rate at which a specific genotype appears within a population is known as.
Answer:
Frequency.
Explanation:
The frequency of an allele, or genotype, referes to it's prevelance within the population.
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Plants, like animals and other organisms, must adapt to their changing environments. While animals are able to relocate from one place to another when environmental conditions become unfavorable, plants are unable to do the same. Plants must deal with changes in their environment in a different way. Plant tropisms are mechanisms plants use to respond to their environment. A tropism is a growth toward or away from a stimulus. Common stimuli that influence plant growth include light, gravity, water, and touch. Evaluate each of the tropisms. Select ALL of the choices that correctly pairs the type of tropism with its environmental stimulus.
A) phototropism: growth toward light
B) hydrotropism: growth in response to water
C) thigmotropism: growth in response to touch
D) geotropism: growth in response to soil conditions
E) thermotropism: growth in response to temperature
Answer:
A,B,C, and D
Explanation:
Forms of tropism include phototropism (response to light), geotropism(response to gravity), chemotropism (response to particular substances), hydrotropism (response to water), thigmotropism (response to mechanical stimulation), traumatotropism (response to wound lesion), and galvanotropism, or electrotropism (response to electric current).
I really hope that’s correct :)
Give me a short definition of What is supply and demand
What geological process formed the Himalayas
Answer:
collision
Explanation:
The Himalayan mountain range and Tibetan plateau have formed as a result of the collision between the Indian Plate and Eurasian Plate which began 50 million years ago and continues today.
Which molecule performs the primary signal transduction step in cell signaling?.
Answer: G-protein molecules associated with the adrenergic receptor.
Explanation:When the signaling molecule binds the receptor it changes the receptor protein in some way.
Are human actions affecting the natural
selection of blackcaps? If so, how?
Answer:
Migratory birds are particularly susceptible to adverse effects of human activities.
Explanation:
Because the global networks of ecosystems on which birds rely are undergoing rapid change.
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pls mark braainliest
We find that the ecology of blackcaps in a recently colonized high-latitude wintering area is shaped by human activity, including supplemental bird feeding, and mediated by environmental conditions.
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What is the relationship between coronary artery disease and a heart attack?
-Coronary artery disease is a symptom of heart attacks.
-Heart attacks reduce blood flow to the heart and cause coronary artery disease.
-Coronary artery disease can reduce blood flow to the heart and cause heart attacks.
-Heart attacks occur when coronary artery disease is treated.
Answer:
Coronary artery disease can reduce blood flow to the heart and cause coronary artery disease
Explanation:
The build up of plaque leads to reduced blood flow causing chest pains, shortness of breath and other symptoms related to coronary artery disease. A complete blockage of the arteries can lead to a heart attack.
Will give brainliest!!!!! A person has developed a condition where his heart valves are damaged. Use complete sentences to explain the effects of such a condition on the circulatory system.
What maintains intestinal health
Answer:
Eat a high-fiber diet.
Explanation:
One of the best ways to improve your digestive health is by maintaining a diet that is high in fiber and rich in fruits, vegetables, legumes and whole grains. This keeps the normal process of digestion running smoothly, helping to prevent constipation and maintain a healthy weight.
1. When I look at one of the organisms in the microscope, I notice a tiny nucleus
inside the cell. This organism should be classified as a...
a. Eubacteria
c. Could be either
b. Protist
A student has twenty identical young plants how does the amount of water given to these plants each day effect how tall the plant will grow
Answer:
The amount of water given to the plants depends on the effect of how tall the plant can overall grow. For instance, if all twenty identical plants are being given the same amount of water, then they will grow all at equal rates. However, if there is not equal amount/consistency with the amount of water the plants receive, then this factor may contribute to an uneven growth pattern between all twenty plants. However, other factors (such as location, sunlight, etc.) may also contribute to a plant's growth.
what kind of electrical charge is found on a hydrogen atom of a polar water molecule
Answer:
A negative charge exists because of the electronegativity of oxygen. A polar water molecule is made up of hydrogen and oxygen. Due to its atomic structure, there is an unequal distribution of charges and thus oxygen gets a more negative charge while hydrogen gets a positive charge.
Explanation: