One secondary spermatocyte ultimately produces:a
one mature sperm.
b. two mature sperm.
c. four mature sperm.
d. eight mature sperm.
e. an indeterminate number of sperm
b
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Many angiosperm species ____ animal pollinators
a. compete with b. Parasitic c. deter d. coevolved with e. avoid
The diversification of Hawaiian honeycreepers as they colonized islands in the archipelago is an example of ________ speciation
a. sympatric b. allopatric c. parapatric d. allopolyploidy
Which of the following is TRUE of asexual reproduction?
a. It allows an individual’s genes to adjust to the environment. b. It produces greater genetic diversity. c. It is a good strategy if an organism lives in a constant, unchanging environment. d. It slows the accumulation of potentially harmful mutations. e. It allows only half of an individual’s genes to be passed on.
Animals with a crown of cilia that look like a spinning wheel are the:A
bryozoans. B. phoronids. C. ctenophores. D. rotifers. E. platyhelminthes.