Question

Which of the following best describes similarities that exist between birds and mammals?

A) They are both endothermic and have four-chambered hearts.

B) They both have specialized lungs and sweat glands for cooling.

C) They are both vertebrates that have specialized teeth for grinding food.

D) They both undergo internal fertilization and have mammary glands to nurse their young.

Answer 1

i gaive medal to the perso n with the best answer

Answer 2

plz help idk this question ill give you a medal if you can answer the question :)

Answer 3

A