Answer:
I beleive your answer is C Homeostasis
Explanation:
Coarse is less precise where the fine is made for small adjustments
Answer:
B
Explanation:
B leaves tiny stinging barbs, which since it's on leaves, prey wouldn't expect it because it would blend in with the environment. C has thorns that would pierce the skin, I'm guessing that it would be visible to prey.
<em>Correct me if I'm wrong :')</em>
Answer:
True. The heart contracts twice per heartbeat. One contraction is the ventricular and the other one is the artrial.