A body plan of all coelomates is indicated by

a. A.
b. B.
c. C.
d. all of these.
e. none of these.


Answer: c

Biology & Microbiology

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Australopithecines were apelike above the waist and humanoid below the waist. This is an example of

A. mosaic evolution. B. multiregional continuity. C. quadripedalism. D. None of the choices are correct.

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The basic unit of life is the ________

Fill in the blank(s) with correct word

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Homeostasis is the ability to maintain a constant internal environment in organisms.

a. true b. false

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In many damselfly species, males use specialized appendages to remove from the fe-male reproductive organ sperm from previous copulations with other males. How do you think this behavior most likely evolved?

a. via intersexual selection good genes model b. via intersexual postcopulatory selection c. via intrasexual sexual selection via cuckoldry d. via intrasexual postcopulatory selection e. C and D.

Biology & Microbiology