Which of the following is an example of a biological system?
O
A. The water flowing through the Mississippi River
O
B. All of the living and nonliving things that interact in an area
O
C. A video describing how fish interact with the living and nonliving
things around them
O
D. A presentation about the environmental impact of a planned new
development in your town

B.) because biology is talking about living things and thats living things interacting.

Explanation:

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )

ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher