Which of the following is true in the course of the evolution of a trait in a species?

A. A population mutated in response to the need for a certain trait.
B. An organism mutated during the course of its life to become better able to survive in its environment.
C. A mutation benefited an individual and allowed it to pass more genes on to the next generation.
D. An individual organism recognized the need for longer legs and evolved them.


Ans: C. A mutation benefited an individual and allowed it to pass more genes on to the next generation.

Biology & Microbiology

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Skin is sometimes referred to as the largest organ of the body. Why is skin considered to be an organ and not a tissue or some other structure?

A. Skin consists of multiple cell types functioning as a single integrated unit. B. Skin consists of a single cell type. C. Skin is a vital component of multiple organ systems. D. Skin consists of multiple tissue types that cooperate to perform a specific task.

Biology & Microbiology

The process of producing NH4

+ from decaying organic material is called

a. nitrification. b. ammonification. c. nitrogen cycling. d. nitrogen fixation. e. nitrogen assimilation.

Biology & Microbiology

After an endospore forms, the cell membrane of the original cell lyses, releasing the endospore

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Contrast homologous and analogous traits, giving examples

What will be an ideal response?

Biology & Microbiology