Changes in ________ represent the predominant cause for biological evolution.
A. homeostasis
B. growth and development
C. reproduction
D. genetic makeup
E. energy
Answer: D
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Which of the following statements about plant reproduction is incorrect?
A. Monoecious plants can have male and female flowers on the same plant. B. Dioecious plants have male and female flowers on different plants. C. Self-pollinating angiosperms are usually adapted to stable habitats. D. Outcrossing promotes genetic diversity. E. Self-pollinated plants must be visited by pollinators for fertilization to occur.
Each day the animals of the deep scattering layer
a. must form mucus nets to protect themselves from predators. b. make a nocturnal migration to the DSL to feed. c. make a nocturnal migration to the epipelagic to feed. d. make a daytime migration to the epipelagic to feed. e. migrate to a depth of 1.6 km to feed.
A type III survivorship curve is characteristic of all
of the following EXCEPT a. flies. b. primates. c. frogs. d. sea stars. e. fish.
The science dealing with classification is called ________.
A. nomenclature B. taxonomy C. identification D. systematics