Answer:
A feedback loop is a biological occurrence where the output of a system amplifies the system (positive feedback) or inhibits the system (negative feedback).
Explanation:
Example, during blood clotting, a cascade of enzymic proteins acitvates each other, leading to the formation of fibrin clot that prevents further blood loss.
convection currents in the atmospere
Variation and natural selection
Explanation:
Maybe.. to provide nutrients of Soil and Water...
The other plant cell is e
