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Questions in biology

[Answered] What are the two main styles of action of the specific immune response?

[Answered] Describe how a sarcodine, such as an amoeba, gets food.

[Answered] Is the following sentence true or false? Flagellates living in symbiosis always harm the animal in which they live.

[Answered] How many types of squids are there?

[Answered] How has technology affected human population growth?

[Answered] Explain what is meant by the sentence: "Natural selection can act only on existing traits."

[Answered] What is an example of copying information in DNA?

[Answered] Why is RNA necessary to act as a messenger?

[Answered] What are the two major processes involved in the oxygen cycle?

[Answered] Evolution is: A) A change in the composition of a population from one generation to the next. B) A phenomenon that must be inferred from evidence, because it cannot be observed directly. C) The transformation of an individual to better fit its environment. D) Driven by the use or disuse of a body part, as when a finch uses its beak to crack open seeds.