Birds are different from all other living vertebrates because they

A. are bipedal.
B. lack teeth.
C. have feathers.
D. can fly.


Answer: C

Biology & Microbiology

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Elena and Lenski's generational experiment with E. coli demonstrated that bacteria could evolve to metabolize:

A. lactose. B. glucose. C. citrate. D. nitrogen. E. succinate.

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Stolons are stems that branch from the main stem of the plant and grow along the ground. Stolons may look like roots, but they:

a. grow vertically b. have endodermis c. have nodes d. have root hairs e. never grow under the ground surface

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Steroids are considered to be lipids because they _____

A) are essential components of cell membranes B) are not soluble in water C) are made of fatty acids D) contribute to atherosclerosis

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A diuretic is a substance that

What will be an ideal response?

Biology & Microbiology