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.
Biology & Microbiology
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
Biology & Microbiology
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
Biology & Microbiology
A diuretic is a substance that
What will be an ideal response?
Biology & Microbiology