I believe temperature is the answer
Answer:
It's in their makeup to interact
Explanation
They need to interact to survive, to exist, to reproduce!
Answer:
effector
Explanation:If the value is not at the set point or is outside the normal range, the control center sends a signal to the effector. The effector is an organ, gland, muscle, or other structure that acts on the signal from the control center to move the variable back toward the set point.
Answer:
Transport of tidal waves and currents
