Which of these groups does not fit well into the biological species concept?
A. protists
B. humans
C. animals
D. All of the options are correct.
Answer: A
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Eyes contain ____
a. chemoreceptors b. mechanoreceptors c. photoreceptors d. nociceptors e. thermoreceptors
Which of the following does NOT describe
some aspect of polysaccharides? a. energy storage b. straight or branched chain c. glucose subunits d. contain only carbon, hydrogen, and oxygen atoms e. produced by condensation reactions
The male pine cone
a. produces pollen. b. contains a female gametophyte. c. bears a megasporangium containing a megaspore mother cell. d. gives rise to a seed.
The large size of poxviruses allows them to
A) be easily isolated in infected cells. B) attach to both animal and human cells. C) provoke a strong immune response in the host. D) travel in droplets. E) be potential vectors for genetic engineering of vaccines.