A) Exothermic
B) Pneumatic bones
C) Lung with air sacs
D) Amniotes
Correct Answer: A
Solution :
Birds have pneumatic bones, lungs with air sacs and embryonic membranes (i.e., Amnion, chorion yolk sac and allantois).
You need to login to perform this action.
You will be redirected in
3 sec
