Which of the following is most likely the result of a neutral mutation?
a. fingerprint patterns
b. larger brains
c. standing upright
d. digestion of cellulose
e. fur
ANSWER: a
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Which of the following are qualities of any good scientific hypothesis? I. It is testable. II. It is falsifiable. III. It produces quantitative data. IV. It produces results that can be replicated
A) I only B) II only C) III only D) I and II E) III and IV
Archaea and bacteria are involved in which of the following cycles? (Select all correct choices.)
A. the nitrogen cycle B. the carbon cycle C. the sulfur cycle
The seabirds with an ecological role similar to land-based hawks, falcons, and vultures are the:
a. gulls and terns. b. skuas and jaegers. c. avocets and sandpipers. d. curlews and turnstones. e. eiders and puffins.
Taking a nap after meals is probably a good idea because it allows the body to digest the food as a result of the activities of the ________ nervous system
A) sensory B) central C) parasympathetic D) sympathetic E) somatic