SELECT ALL THAT APPLY. Which of the following are examples of feedback mechanisms which help maintain homeostasis?
A flagellar rotation for cell movement
B antibodies binding to a virus
cproton pumping to maintain a proper pH level
D protein synthesis
E insulin secretion in response to high blood sugar
F
incresed heart rate in response to exercise

i think the miocene epoch spans the time from 23 million to 12 million years ago.

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

50% lit on the left side