Suppose that a large river separates two populations of mice. one population is all black, and the other all white. a beaver dam that is built allows the mice to cross the river. over time, many gray mice are born. what is this an example of?

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Answer 1
Answer: In this case two kinds of selection might be applicable to this situation. For example, if the population of grey mice are more exposed to predators due some materials used in the dam then that would be an example of disruptive selection. But if the population of gray mice is less visible to predators and if the population grow, then it will be an example of Stabilizing selection. Basicaly meant, this type of situation is also known as codominancy or codominant type. 

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Give an example of a testable question that could be investigated:A non-testable question: _____

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how do plants grow        non testable 

Where does most of earth's events takes place

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In terms of atmosphere layers, it almost entirely occurs in the troposphere


I hope that's help !


What part of the cell contains genetic material?

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The chromosomes contain the genetic material which are located in the nucleus 

Which mineral is among the minerals that are in great demand during pregnancy because they are involved in building the skeleton? 1) Calcium 2) Iron 3) Magnesium 4) Zinc

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Answer: Calcium

Explanation:

The mineral that is in great demand during pregnancy because it is involved in building the skeleton is calcium (option 1). Calcium is essential for the development of the fetal skeleton and plays a crucial role in bone formation. Pregnant women need an increased intake of calcium to support the growth and development of the baby's bones and teeth.

While other minerals like iron, magnesium, and zinc are also important for various aspects of maternal and fetal health during pregnancy, calcium is specifically associated with skeletal development. Adequate calcium intake is important to prevent conditions like rickets in the baby and to support the overall health of both the mother and the developing fetus.

The theory that earth's rocks formed in a global flood followed by uplifting of some rock over a short period is called

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The answer is catastrophism.

Catastrophism is a theory explaining that the Earth has been affected by sudden catastrophes which created its geological features. Some of the proposed catastrophes is a global flood followed by an uplifting of some rock which happened sudden, in a short period of time. It is opposite theory to uniformitarianism which explains that the Earth was formed in slow changes.

Protists that decompose dead organisms like insects are calleda. dinoflagellates.
b. euglenoids.
c. plasmodial slime molds.
d. water molds.
c. It is prokaryotic.
d. It is autotrophic.

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The answer is (d.) water molds.

The water molds are fungal-like protists that thrive on dead organism to decaying matter to decompose. They are usually found in wet environments, nearby fresh water sources, and even in the upper layers of moist soils.