Sympatric speciation in plants, as a result of ________, is well documented.

A. polyploidy
B. a series of islands off of a mainland
C. mountain ranges
D. any type of geographic barrier


Answer: A

Biology & Microbiology

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Consider the following figure (Figure 24.5): From the data you can infer that:

A. Braincase volume is correlated with body size in the Homo lineage, but not in the extant great apes lineage. B. Species in the Homo lineage have larger body size than species in the extant great apes lineage. C. The extant great ape lineage shows the greatest amount of range in body size D. The Homo lineage shows the greatest amount of change in body size. E. Extant great apes are smarter than Australopithecines.

Biology & Microbiology

Organisms that may cause red tide are

A. green algae. B. brown algae. C. dinoflagellates D. euglenids.

Biology & Microbiology

Protists do not constitute a kingdom because they do not share a unique common ancestor

Indicate whether the statement is true or false.

Biology & Microbiology

Which of the following is NOT an example of microbial antagonism?

A) acid production by bacteria B) bacteriocin production C) bacteria occupying host receptors D) bacteria causing disease E) bacteria producing vitamin K

Biology & Microbiology