A characteristic that is shared by snakes and birds is ______ a. the presence of only a single ovary in females b. the amniotic egg c. being ectothermic d. being endothermic
Added by Erica P.
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- Snakes are reptiles and are ectothermic (cold-blooded). - Birds are endothermic (warm-blooded) and are the only living dinosaurs. - Both snakes and birds lay eggs, but snakes lay eggs that are leathery, while birds lay eggs with a hard shell. Show more…
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