The nearest living relatives of crocodiles and alligators are

A. birds.
B. lizards.
C. snakes.
D. turtles.
E. manatees.


Answer: A

Biology & Microbiology

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The insects in the diagram above represent all of the following except 



A. herbivores.
B. the second trophic level.
C. primary consumers.
D. producers.

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True or false: Elements in the same horizontal row in the periodic table have the same number and type of electron orbitals

A. true B. false

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During which meiotic phases does oogenesis arrest?

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