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 - Qammunity

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

asked Mar 2, 2022 48.3k views

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