The segment of the small intestine that connects to the cecum
a. large intestine
b. jejunum
c. duodenum
d. stomach
e. ileum

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

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: )

gold i'm pretty sure i might be wrong