A classification system based on mutual similarity that involves comparing as many characteristics as possible is called a ________ system.
A. phenetic
B. determinative systematic
C. phylogenetic
D. phyletic
Answer: A
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Why do histone genes have the slowest molecular clock?
A. The structure of the histone gene must be conserved for DNA to function properly. B. Histone genes simply do not have the same rate of mutations. C. DNA-correcting mechanisms function more readily with histone genes. D. Cells have more histone genes than any other kind of gene. E. Histone genes normally have selfcorrecting mechanisms.
A chemical reaction that has a positive ?G is correctly described as
A. endergonic. B. endothermic. C. enthalpic. D. spontaneous E. exothermic.
Four of the five animals listed below have a
relationship in common. Select the exception. a. crabs b. shrimps c. lobsters d. centipedes e. barnacles
A growth pattern where a low-density population grows slowly, goes through a rapid growth phase
and then levels off when the carrying capacity is reached is called a. logistic growth. b. exponential growth. c. linear growth. d. ascending growth. e. capacity growth.