Answer:
Medulla
Explanation:
The medulla is responsible for our involuntary actions, one of which is our heart rate.
Involuntary action means we do not intentionally do it ourselves; it is one of our unconscious processes, such as breathing.
Answer:
A- Melting
Explanation:
I learned this in 4th grade I'm currently in 7th
Answer:
C) I, III, and IV only
Explanation:
l. All the energy contained within the organisms
lll. The hawk is the top predator.
IV. Energy is transferred from organism to organism in this food web,