Homeostasis is defined as
A.
a condition, similar to hypnotism, in which an organism is made motionless.
B.
the variety of foods that an organism takes in for energy and survival.
C.
the control of an organism's external environment, in order to increase comfort and outcompete other organisms.
D.
the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.

D. the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.

Explanation:

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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

the answer would be..

b. sucking