Animals respond to threats in their environme
the result, mostly, of interactions
OD
3
C
A.
the circulatory system and the reproductive syste
O
B.
blood circulation and hormone production
the nervell system and the muscular
D.
respiratory rate

16 select the correct answer from each drop-down menu. sharks, whales, and dolphins share similar features such as body shape and the position of fins. hoy while whales and dolphins have lungs. these differences indicate that the organisms share a comme whales also possess a vestigial pelvic bone. the presence of the pelvis bone may indicate that whales reset next