WindsorLynne WindsorLynne

31-03-2017
Biology

contestada

Birds are ______ and have a _-chambered heart.

A. endothermic; three
B. endothermic; four
C. ectothermic; three
D. ectothermic; four

Respuesta :

aleesha268 aleesha268

31-03-2017

Birds are endothermic and have a four chambered heart.

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Camillio5 Camillio5

31-03-2017

Yea it's definitely D

Answer Link

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