chordates-vertebrata-amphibia Flashcards

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1
Q

chambered heart

A

3

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2
Q

circulatory system

A

double loop

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3
Q

everything hole called

A

cloaca

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4
Q

first

A

cloaca

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5
Q

reproduction

A

external

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6
Q

heat source

A

ectotherm-dependent on external environment for heat

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