According to the Biological Species Concept, two groups of organisms that are unable to form fertile, viable hybrids are considered to be different

A. species.
B. races.
C. kingdoms.
D. cohabitants.
E. hybrids.


Answer: A

Biology & Microbiology

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The sporophyte generation 

A. is diploid. B. is haploid. C. is not found in ferns. D. produces sex cells.

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If the frequency of a recessive gene in a population in genetic equilibrium is 40 percent, in the next generation, the frequency of that gene would be ____.

A. 20 percent B. 40 percent C. 80 percent D. 2pq E. unpredictable

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You find colorless areas in cells in a Gram-stained smear. What should you do next?

a. A capsule stain b. A simple stain c. A flagella stain d. An endospore stain e. An acid-fast stain

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