matthewarroyo2111 matthewarroyo2111

15-11-2017
Biology

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Which characteristic would exclude an animal from being an amphibian? they have lungs. they have a cartilaginous skeleton. they are ectothermic. they have a three-chambered heart. they have vertebrae?

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20jasc1 20jasc1

15-11-2017

They have a vertebrae

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