The amphibians are believed to have arisen from ancestral:a

chondrichthyean fishes.
b. actinopterygian fishes.
c. reptiles.
d. sacropterygian fishes.
e. amphibians.


d

Biology & Microbiology

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Mary, who has type O blood, is expecting a child with her husband, who has type B blood. Mary's husband's father has type A blood. What is the probability that the child will have type O blood?

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In printed scientific names, only the _______________ is capitalized.

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During seasonal bird migration, which of the following typically occur?

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