i guess the answer is B.transport oxygen through the blood
The study of one type of evidence of evolution is called embryology, the study of embryos. An embryo is an unborn (or unhatched) animal or human young in its earliest phases
So the answer is basically EMBRYOLOGY
Answer:
Climate change?
Explanation:
A massive extinction event that took place 200 million years ago may have been caused by climate change, new research suggests. The findings shed new light on the pace of mass extinction, and imply that relatively small changes in atmospheric carbon dioxide levels may be enough to trigger an extinction event.
Production of ATP although less in alcoholic fermentation
Answer:
(I'm sorry, I got stuck between a and b. This was the best answer I could come up with)
Explanation:
Capillaries are meant to be small so blood cells could move through them in a single file line. If they were an bigger the blood stream would clog up and most of the blood cells won't be able to give nutrients or exchange gas
