Air is continuously forced through tubes that thread through vascularized tissue in a pair of inelastic lungs in _____

a. some fish
b. amphibians
c. birds
d. reptiles
e. some small mammals


ANSWER: c

Biology & Microbiology

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a. the fern allies and ferns. b. gymnosperms. c. flowering plants. d. all of the above.

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What will be an ideal response?

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Bordetella pertussis produces

A) dermonecrotic toxin. B) adenylate cyclase toxin. C) pyrogenic toxin. D) dermonecrotic and adenylate cyclase toxins. E) dermonecrotic, adenylate cyclase, and pyrogenic toxins.

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