What is the goal of evolutionary classification?
a) to identify the degree of physical similarities among related organisms
b) to classify organisms according to phylogeny rather than physical similarities only
c) to determine environmental changes that initiated adaptive responses
d) to analyze different physical structures that are used in similar ways
Answer: b) to classify organisms according to phylogeny rather than physical similarities only
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A) sympathetic B) somatic C) central D) visceral E) parasympathetic
Which ecosystem has the lowest percentage of total net primary productivity?
a. open ocean b. savanna c. swamp and march d. temperate deciduous forests e. tundra
Character displacement makes competing species less similar, which facilitates __________. Fill in the blank(s) with the appropriate word(s)
Four of the five choices listed below are true for
gibberellin. Select the exception. a. breaks dormancy in buds b. first isolated from a fungus c. causes stem elongation d. triggers flower production e. overcomes genetic dwarfing