Analogous structures form because:

a. they are forms of mutation.
b. they evolve as a response to similar environmental pressures.
c. they only occur as errors.
d. they share a similar genetic origin.


b. they evolve as a response to similar environmental pressures.

Analogous structures form because they evolve as a response to similar environmental pressures.

Biology & Microbiology

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If a population is not in Hardy-Weinberg equilibrium, this implies that

A. the population is going extinct. B. the population is very ancient. C. one or more of the conditions required for equilibrium are being violated. D. the population is abnormal. E. one or more of the conditions required for equilibrium are being violated and the population is evolving.

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Sea spiders belong to the subphylum Crustacea

Indicate whether the statement is true or false

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The exchange of oxygen and carbon dioxide occurs in the human lungs in the ____

a. bronchi b. alveoli c. bronchioles d. trachea e. glottis

Biology & Microbiology

The correct sequence of the stages of viral replication is:

a. Attachment - Synthesis - Penetration - Assembly - Release b. Penetration - Attachment - Assembly - Synthesis - Release c. Penetration - Attachment - Synthesis - Release - Assembly d. Attachment - Penetration - Assembly - Synthesis - Release e. Attachment - Penetration - Synthesis - Assembly - Release

Biology & Microbiology