Which characteristic does not belong to the bird class?
O feathers
O endothermy
O bones...
![Biology](/tpl/images/cats/biologiya.png)
Biology, 14.01.2021 19:50, superstarsara5ouh83x
Which characteristic does not belong to the bird class?
O feathers
O endothermy
O bones are packed solid
O no teeth
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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