Answer:
They need backups.
Explanation:
If the organism only has one food source they will use up that resource and eventually the organism will deplete due to lack of food.
the correct answer is option <u>A. effluent from </u><u>factories</u><u>. </u><u> </u> (◍•ᴗ•◍)
Answer:
The GR is expressed in almost every cell in the body and regulates genes controlling the development, metabolism, and immune response.
Explanation:
I would go on on the first option, population, community, ecosystem. If there is a control on the rapid growth of population, surely, pollution in the whole community will be reduced thus, making the ecosystem well balanced.
