Which of the earth's systems makes up all the living organisms found on earth?
a. upper mantleb. asthenospherec. lithosphered. crust

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: )

to this one it would be receptive field

what are the options