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History, 15.04.2021 04:30 hawszanderpelv2v

Which structures in birds and mammals have a similar function? a. Air sacs and diaphragm
b. Down feathers and underhair
c. Albumen and mammary gland
d. Crop and incisors

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Which structures in birds and mammals have a similar function? a. Air sacs and diaphragm
b. D...

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