Which structures in birds and mammals have a similar function?
a. Air sacs and diaphragm
b. D...
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
Answers: 2
History, 22.06.2019 06:40, ashiteru123
What river systems the worlds earliest known civilization develop ?
Answers: 2
History, 21.08.2019 21:10