Biology, 09.12.2019 15:31 irlrisottonero

What characteristic is shared by birds, salamanders, and sharks?
a. lungs
b. endothermy
c. four limbs
d. jaws and paired appendages

(im pretty sure its not a or b but idk)

Answers: 1

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What characteristic is shared by birds, salamanders, and sharks?
a. lungs
b. endother...