Geographical isolation (vicariance) is the main reason for the evolution of either side mouse into new species.
What is geographical isolation?
Two populations of the same species are geographically separated by a barrier, they will eventually become genetically distinct from one another. Even when they are exposed to the same kinds of environmental selection forces and are living in the same region, two populations of the same species can yet become genetically distinct from one another.
A new river cuts through a land mass, separating populations of mice on either side. these mice then evolve into new species on the two sides of the land mass, the separation of a group of organisms by a geographic barrier, resulting in the differentiation of the original group into new varieties or species.
Hence, vicariance is a kind of evolution caused by geographical isolation.
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Rugae are the folds in the stomach that allow it to expand when it is full and increase surface area.
<h3>What are rugae?</h3>
The rugae have the purpose of allowing the stomach and other tissue to stretch as necessary to aid in food digestion. Gastric rugae are ridges of muscle tissue that line the stomach, according to WebMD.
The body's digestion system depends on the gastric rugae. When the stomach is not yet full, the gastric rugae fold into the stomach tissue. The rugae open up when the stomach is full, allowing the stomach to grow. The rugae spread when the stomach empties, returning the stomach to its former size. Only when a tissue or organ is deflated or relaxed are gastric rugae visible in radiological investigations. They expand the stomach's surface area to facilitate
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All of the answers presented above are correct.
Before Gregor Mendel's research, it was believed that parents' characteristics were passed down to the next generation were not inherited as separate units, but blended together in the next generation.
While he was studying the inheritance of different traits of the pea plant such as the height of the plant, the shape and color of the seed and the variability of the color of the flowers.
During his experiments, he noticed that the simple traits as height were passed down to the filial generation separately, so they were not blending in the next generation as it was previously thought.
He managed to get purebred plants for certain traits by self-pollination of the pea plants and used them for this experiments.
He determined that some of the traits were expressed more often and with a higher ratio and called them dominant, as opposed to recessive traits that were expressed less often when cross-breeding with an individual with a dominant trait.
Answer:
B. Food was a limiting factor.
C. As long as Ling keeps adding more food, the guppy population will continue to grow
Explanation:
Limiting factor refers to biotic or abiotic factors that limit or affects the growth of species. In the population of guppies, food was a limiting factor that affects their population growth. Indeed!, it is vivid from the experiment that after Ling increases the amount of food being given to the guppies, there is a significant increase in the population growth.
We can thereby conclude that the following statements that supported these data goes thus;
Food was a limiting factor and as long as Ling keeps adding more food, the guppy population will continue to grow.
Answer:
C.Darwin used this term to describe change in organisms over time, or evolutionary change.
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