Answer:
it can lead to changes in allele frequencies and then to evolution
A population of white moths moves into an area dominated
by grey moths. How do you think the introduction of white moths will impact
the grey moths? Explain your answer
Answer:
During the industrial revolution in England, the soot from the coal burning factories started dominating the environment. The trees were also darkened as a result and the light-bodies moths that were able to blend with the light-coloured lichens and tree barks were in danger due to their predation by the birds. This lead to the rapid decrease in the light-colored moths. As a result, the moths got adapted to the blackened trees with their transformation into dark-coloured moths which Increased rapidly. This was because the allele for the dark-bodied moths is dominant and the allele for the light-bodied moths is recessive. Since birds would find and eat the light-bodied moths, dark-coloured moths increased as a result of natural selection. Thus, these moths with a favorable adaptation to the change in the environment were selected and they reproduced new offspring.
Explanation:
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What is the desertification of the sahara? question 14 options: the expansion of the sahara desert the study of the sahara desert the shrinking of the sahara desert the population of the sahara desert
Desertification is the change of a normal land in desert. The expansion of the Sahara desert refers to the desertification of the Sahara.
What is Sahara desert?Sahara desert is in Morocco. It is famous for its variety of land features but is most famous because of sand dune fields.
Desertification can leads to the reduction of the vegetation-covered area. The Sahara desert also is constantly expanding at a faster rate.
The cause of Sahara desertification includes both natural processes such as climate and human activities.
Thus the correct option is A.
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Help me right now!
What does this mean in your own words?
The amount of carbon dioxide (CO2) in a solution is one of the many factors that determines the pH of water. As pH levels fluctuate during the day due to photosynthesis, respiration, and decomposition; the extremity of these changes depends on the alkalinity of the water which is influenced by CO2 levels. When CO2 levels increase in water, the pH level drops, which makes the water become more acidic.
Answer:
Carbondioxide will Change to carbonate
The oscar is an aggressive fish native to South America. Many people in Florida keep oscars as pets. When these fish outgrow their aquariums, people sometimes release them into the Everglades. The largemouth bass was abundant in the Everglades until the oscar population increased. Today, oscars are much more common in the Everglades than largemouth bass. Which of the following would be the best method to increase the largemouth bass population in the Florida Everglades?
A. Move more largemouth bass into the Florida Everglades
B. Introduce a species of fish that will eat the oscars
C. Increase the food supply for both largemouth bass and the oscars
D. Make it illegal to release South American fish into the Everglades
The best method to increase the largemouth bass population in the Florida Everglades is to increase the food supply for both largemouth bass and the oscars
What are invasive species?Invasive species are species of organisms which when introduced into a new habitat are able to dominate and take over the resources of that habitat while displacing original species of organisms found there.
The oscars are invasive species and has taken over the habitat of the largemouth bass population in the Florida Everglades.
The best method to increase the largemouth bass population in the Florida Everglades is to increase the food supply for both largemouth bass and the oscars as this will allow both species to grow independently.
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100 g of a milk powder contains 27 g of fat, 38 g of carbohydrate and 26 g of protein. Why do the totals of the nutrients not add up to 100 g?
how to get rid of a corpse pls help
Answer:
I didn't think I'll be teaching again about this someday...
1.Why did you do it
2.What did it do to you?
3. I'm hungry
4. I'll help you after eating
5. Bye
6. *munch munch*
7. Corny right?
8. Bye again
9. Bye, for real
10.
Answer:
Ground burial.
Cremation.
Immurement.
Sky burial.
Burial at sea.
Composting.
Dissolution.
Other less common.
Explanation:
hope this helps
The main purpose of cell division is
A. to produce more cells.
B. to produce cellular energy.
C. to remove cellular waste.
D. to absorb nutrients.
Answer:
Of the options available I would say that the correct answer is A. To produce more cells
how would you go about pleading the case of Dred Scott to the Supreme Court?
Answer:
"Dred Scott case: the Supreme Court decision. The court also declared the 1820 Missouri Compromise unconstitutional, thus permiting slavery in all of the country's territories. The case before the court was that of Dred Scott v. Sanford. Dred Scott, a slave who had lived in the free state of Illinois and the free territory..."
Explanation:
How do you "pray without ceasing" in your life?
Answer:
The first is a constant awareness and appreciation of the Lord's wonderful gifts to us. In addition, we should pray frequently about everything that we do. Third, a constant attitude of trust and dependency on the Lord.
Explanation:
Answer:
just pray about every good thing you have and pray about things you need want may want in the future.
Explanation:
Sugars manufactured in leaves are distributed to other plants parts through the phloem by a process know as
Sugars produced in leaves which are distributed to various parts through the phloem in a process called translocation.
How sugar is distributed?Sugar which is produced in the leaves during the process of photosynthesis are sent to other parts parts of the plant body in order to promote growth of other parts.
So we can conclude that Sugars produced in leaves which are distributed to various parts through the phloem in a process called translocation.
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What kind of animals are best suited to life in a desert? A. Animals that estimate during hot weather B. Animals that nest in tall trees C. Animals that hibernate during winter D. Animals that have thick layer of blubber or fu
Answer: A
Explanation: Process of elemination. A would have to be the best option
suggest which factor carbon dioxide oxygen or water might limit the rate of photosynthesis
Answer:
Explanation:
Oxygen is not required for photosynthesis so we should just cross it out of the list. Secondly, the factors upon which photosynthesis depend are sunlight, carbon dioxide and temperature. So this also puts an end to water. As for carbon dioxide, if its amount is increased, the stomata of leaves will close and will not allow more of it to enter and thus process of photosynthesis will eventually decrease. And if we decrease the amount of carbon dioxide, plant will not be able to make its food properly.
The variation of gene expression that is not related to the variation of the DNA, is transmissible, and is reversible is described as
Epigenetics is the variation of gene expression that is not related to the variation of the DNA, is transmissible, and is reversible
What is epigenetics?Epigenetics is the variation of gene expression which is not related to changes in the sequence of nucleotides in a DNA molecule but is as result of the interaction of the environment and the diet.
Epigenetics changes are reversible and transmissible but do not alter the DNA sequence, but they can affect how the DNA sequence is read.
Therefore, the variation of gene expression that is not related to the variation of the DNA, is transmissible, and is reversible is described as epigenetics.
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Everglades National Park, part of an elliptical speck in southern Florida on your chapter map, is an example of a __________ biome.
Everglades National Park in Florida (United States) is a well-known example of a temperate deciduous forest.
What is a temperate deciduous forest?A temperate deciduous forest is a type of biome characterized by deciduous trees whose leaves drop in the fall.
These biomes (temperate deciduous forests) are also characterized by their abundant moisture.
Everglades National Park includes two different biomes: temperate deciduous forest and flooded grassland.
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What is the Keeling Curve and Why is it so Famous?
Answer:
The keeling curve is a commonly used graph that represents the concentration of carbon dioxide.
A man and a woman have three children, all males. What is the probability that their next child will be a girl?.
Given what we know, we can confirm that the couple in question has a 50% chance that their next child will be a girl.
Why are the odds 1/2 ?This has to do with the fact that each child that the couple has is an independent event. While it is true that it is unlikely for the same event to occur many times in succession, the previous events do not influence the outcome of the next child.
Therefore, given that a child can be either male or female when born, the couple in question has a perfect 50% chance for their next child to be a girl.
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what is the stage of mitosis is represented in the picture
Answer:
Telophase
Explanation:
The picture shows that there are 2 dense balls which are recognized as cells. Since we see two cells with a boundary in between which is called the cleavage furrow we can recognie this as telophase where the mitosis is about to end and 2 daughter cells are about to emege.
Which constituent of bile has a digestive function?.
The constituent of bile that has a digestive function is the bile acids.
Functions of bileThe bile is a fluid that is produced in the liver and stored in the gall bladder.
The bile consists of the following:
bile acids and salts, phospholipids, cholesterol, pigments, water, and electrolyte chemicalsThe component of bile that is used in digestion is the bile acids. These acids are used for the emulsification of fat, absorption of fats and fat-soluble vitamins in the small intestine.
Therefore, the constituent of bile that has a digestive function is the bile acids.
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The structural continuity between the cornea and the sclera is called:.
Explanation:
i think Limbus ..........
Distention of the stomach has a direct stimulatory effect on the gastric glands. Group startsTrue or FalseTrue, selectedFalse, unselected
After eating, gastric distention stimulates the onset of movements, having a direct stimulating effect on the gastric glands.
What are gastric glands?They are made up of secretory cells of different types and are located in different regions of the stomach.
They secrete gastric juice that contains hydrochloric acid, pepsin and mucus, which acts mainly on the digestion of proteins, and promote the absorption of nutrients.
Therefore, we can conclude that the statement "Distention of the stomach has a direct stimulatory effect on the gastric glands" is true.
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what is NCF for nucleolus?
Answer:
The NCF and PAG are brainstem nuclei involved in a network mediating anti- and pro-nociception, as largely shown from animal data (Fields and Basbaum, 1999 for a review, [Porreca et al., 2002] and [Gebhart, 2004]). Human imaging studies have shown that the PAG and NCF are activated during visceral and somatic pain (Dunckley et al., 2005) and that the NCF plays a key role in the development of experimental secondary hyperalgesia via possible facilitatory pro-nociceptive mechanisms (Zambreanu et al., 2005). The NCF and PAG have been shown to be important in brainstem modulation of pain in humans (Zambreanu et al., 2005), and connections to these nuclei provide an anatomical basis for results of recent studies involving pain control and perception ( [Lorenz et al., 2003], [Valet et al., 2004] and [Wager et al., 2004]). The NCF has recently been shown to be critical for the generation of secondary hyperalgesia in humans
Explanation:
The NCF and PAG are brainstem nuclei involved in a network mediating anti- and pro-nociception, as largely shown from animal data (Fields and Basbaum, 1999 for a review, [Porreca et al., 2002] and [Gebhart, 2004]). Human imaging studies have shown that the PAG and NCF are activated during visceral and somatic pain (Dunckley et al., 2005) and that the NCF plays a key role in the development of experimental secondary hyperalgesia via possible facilitatory pro-nociceptive mechanisms (Zambreanu et al., 2005). The NCF and PAG have been shown to be important in brainstem modulation of pain in humans (Zambreanu et al., 2005), and connections to these nuclei provide an anatomical basis for results of recent studies involving pain control and perception ( [Lorenz et al., 2003], [Valet et al., 2004] and [Wager et al., 2004]). The NCF has recently been shown to be critical for the generation of secondary hyperalgesia in humans
Which of the following statements is not true?
a. The human body contains trillions of cells,
b. The cells that make up an organism must compete to survive.
c. Each human being began as a single cell,
d.cells inside your body are living, reproducing, and dying all the time.
Answer:
Explanation:
c each human being began as a single cells
The most common sweat glands that release a watery secretion are _________ sweat glands and modified sweat glands in the ear are called _________ glands.
Answer:
Eccrine and Apocrine
Explanation:
This image shows a single litter of kittens.how are they similar to one another?
The kittens in the image are similar to one another because they are the same size and have a similar fur color pattern.
What is a similarity?A similarity is a specific feature two organisms or elements share.
How to identify the similarities?Carefully observe the image.Observe the features that are alike.What are the similarities in the kittens?All the kittens have a similar size, which is likely because they are the same age.All kittens have a similar fur pattern that involves white belly with spots.Note: This question is incomplete because the photo is missing; below, I attached the photo:
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Which model describes the movement of carbon dioxide and oxygen during
photosynthesis?
A. Plant - CO2 - 02
B. 02 - Plant - CO2
C. Plant - 02 - CO2
D. CO, - Plant - 02
Pls hurry
in reference to carbon (IV) oxide, explain the concept of limiting factors in relation to photosynthesis
Answer:
As carbon dioxide concentrations increase, so too does the rate of photosynthesis until a certain point where the graph levels off. At lower carbon dioxide concentrations carbon dioxide is the limiting factor because an increase in carbon dioxide causes an increase in photosynthesis
Explanation:
brain leist bhe:)
what is the difference in height between low tide and high tide on wednesday
Answer:
The high tide is an ocean wave rising regularly and the low tide is the ocean wave falling regularly.
Explanation:
(Not sure what you meant by "on Wednesday".)
Genetic variation describes naturally occurring genetic differences among individuals of the same species. This variation permits the flexibility and survival of a population in the face of changing environmental circumstances. What is an innate behavior some birds display in response to shortening day length, drop in temperature, or the beginning of winter
Answer:
Migration
Explanation:
The bird gets cold and quickly realizes that if he stays where he is, he will die. You have probably seen birds migrate in your life, I know I have. Birds migrate in large flocks or "V" shaped flocks. If you were to see migrating birds they would be around during the fall season.
Which of the following is not a reason that plants (and photosynthesis) is important for animals? question 1 options: because animals eat plants, absorbing the energy that those plants absorbed from the sun through photosynthesis. because animals need oxygen to breathe, and plants produce oxygen. because animals can use plants for shelter, raw materials, and medicines. because animals get their energy by absorbing light from the sun.
The statement that does not describe plants are important for animals is because animals get their energy by absorbing light from the sun.
What do you mean by Photosynthesis?
Photosynthesis may be defined as the process through which carbon dioxide gets converted into glucose in the presence of sunlight.
Animals get their indirect energy from sunlight. But to perform a functional role they depend on plants to perform the process of photosynthesis. Plants get energy directly by absorbing sunlight. This energy gets transferred to animals by various methods.
Therefore, the statement that does not describe plants are important for animals is because animals get their energy by absorbing light from the sun.
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Which of the following are sustainable land-use strategies for minimizing the impacts of urbanization?
I. Reducing native plant landscaping in a city's center
II. Building high-rise business centers in a city's center
III. Providing affordable housing options in a city's center
A. II and Ill only
B. Il only
C. I and II only
Answer:
A
Explanation:
Building high-rise business centers in a city's center is a sustainable land-use strategy for minimizing the impacts of urbanization. Therefore, the correct statement is option B.
What is an effective strategy for minimizing the impacts of urbanization?The sustainable land-use strategies for minimizing the impacts of urbanization involve promoting environmental sustainability, economic viability, etc. Reducing native plant landscaping in a city's center has negative impacts on ecosystem services.
Native plants support local pollinators, which helps in reducing urban heat island effects and also improves the air quality of the area. Building high-rise business centers in a city's center is a sustainable land-use strategy as it minimizes the use of non-renewable resources and promotes social and economic benefits and conserves open spaces in the area.
Providing affordable housing options in a city's center may be included in a sustainable land-use strategy as it promotes social equity and economic viability. However, it can have negative impacts on the environment if there is increased energy consumption or replaces ecological habitats so it depends on the situation.
Therefore, building high-rise business centers in a city's center is a sustainable land-use strategy for minimizing the impacts of urbanization.
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