A contractile ring forms in which type of cells?
A) Plants B) Animal
C) Animals and plants D) Bacteria and plants
B
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Some deepwater fish like the anglerfish have solved the issue of finding a mate by: a. using bioluminescent patterns
b. having the females attach to the males. c. having the males attach to the females. d. being hermaphroditic.
Bats, by emitting high-pitched sounds, can detect distant objects via:a
olfaction. b. echolocation. c. lateral line organs. d. sensory adaptation. e. ommatidia
You plant two gardens, one in the sun and one in the shade. The plants grown in the shade will most likely be ____
because neighboring leaves absorb more ____. a. shorter; far-red light than red light b. shorter; red light than far-red light c. taller; red light than far-red light d. taller; far-red light than red light e. shorter; cryptochrome than phytochrome
Suppose that the only remaining population of a certain reptile species lives on an African mountain and that there is no migration out of this large but isolated population
Which of the following describes the most likely future of this reptile population? A) The population will survive only as long as the environment remains constant. B) The bottleneck effect will cause major evolutionary changes in the isolated population. C) Evolution will continue because of mutations, assortative mating, and genetic drift. D) Evolution will promptly cease. E) The population will go extinct after a few generations because of inbreeding.