An examination of fossil records shows that three modern species all had a common ancestor. This is an example of
A. polyploidy.
B. divergent evolution.
C. convergent evolution.
D. three subspecies.
B. divergent evolution.
You might also like to view...
All of the following are mechanisms of thermoregulation in ectothermic animals EXCEPT
A. countercurrent heat exchangers. B. changing the rate of heat production by muscular activity. C. changing the rate of heat loss by vasodilation and vasoconstriction. D. relocating to cool areas when too hot or warm areas when too cold. E. insulation in the form of feathers or fur.
Cleft palate is ____
a. controlled only by genetics b. a continuously distributed trait c. controlled by a single gene pair d. only transmitted from father to son e. explained by the threshold model of complex traits
You are swimming in a pool and feel the waves of water moving against your body. Which receptor is used to detect the pressure associated with the waves against your body?
A. photoreceptor B. thermoreceptor C. mechanoreceptor D. pain receptor E. chemoreceptor
Nitrogenous wastes are produced during normal metabolism of ________
Fill in the blank(s) with correct word