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

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm

What process occurs during cellular development as the cell changes into a specific type of cell with specialized functions? a. binary fission b. fusion c. differentiation d. meiosis