The first group to exhibit an amniotic egg was the
a. Aves.
b. Amphibia.
c. Reptilia.
d. Osteichthyes.
e. Mammalia.
Answer: c
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What will be an ideal response?
In radishes, two incompletely dominant genes
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A ____________ cycle is a cyclic path that involves both biological and chemical processes of an ecosystem.
A. biogeochemical B. complete C. hydrological D. complementary
Which of the following explains what happens to the circulatory system during hyperventilation?
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