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Mekhanik [1.2K]
2 years ago
11

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?
Biology
1 answer:
o-na [289]2 years ago
7 0
They have a vertebrae
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