Answer:
Variables are parameters that are monitored and controlled or affected by the feedback system
Explanation:
The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
Answer:
gametes, which grow into gametophyte.
Explanation:
Answer in picture below:
Base on the given:
if the line goes down = decrease/bad
if the line goes up = increase/good
<u><em>~Lenvy~</em></u>