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22-01-2016
Biology

contestada

What characteristic is shared by birds, salamanders, and sharks?
A. Four limbs
B. Jaws and paired appendages
C. Endothermy
D. Lungs

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taskmasters taskmasters

23-01-2016

C. Endothermy

Are not the characteristics:
A. Four limbs
B. Jaws and paired appendages
D. Lungs

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