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28 February, 08:53

Scientists have discovered a new species of vertebrate. It lays amniotic eggs, has a three-chambered heart, and is ectothermic. To which group of vertebrates does this new species most likely belong?

birds

mammals

reptiles

amphibians

bony fish

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Answers (1)
  1. 28 February, 11:59
    0
    reptiles is the answer.
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