Approximately what fraction of flowering plants is polyploid?
a. 1%
b. 10%
c. 25%
d. 50%
e. 80%
E
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Taste buds are
a. really just modified sensilla. b. found only on the tongue. c. collections of papilla that each respond to different stimuli. d. small capsules of cells, each with a pore at the top though which sensory hairs project and interact with environmental molecules. e. EACH able to respond to sweet, sour, salty, bitter, and savory (umami) stimuli.
Which sensory receptor detects light?
a. photoreceptor b. mechanoreceptor c. thermoreceptor d. chemoreceptor e. pain receptor
As succession proceeds, what occurs with animals living in the habitat?
A) Animals adapt to the new vegetation. B) Animals leave as their habitat disappears. C) New animal species evolve in response to vegetation. D) Animal species diversity continually decreases.
Which of the following is NOT one of the four steps involved in phagocytosis?
A) exocytosis B) attachment C) internalization D) interleukin release E) degradation