Today, evolutionary biologists view speciation as a ____, and instead study the ____ of speciation using classical and genomic approaches.
a. single event; products
b. process; products
c. product; process
d. product; events
e. single event; process
ANSWER: b
Biology & Microbiology
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The ______ is a single, main root that is adapted for storage.
A. Fibrous root B. Taproot C. Adventitious root D. Prop root E. Lateral root
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The vertebrate central nervous system consists of a brain and _________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
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A. alarm signals B. competitive exclusions C. hormones D. pheromones
Biology & Microbiology