This law states that in an undisturbed rock sequence, the oldest layers are on the bottom and each successive layer is younger than the one underneath it. "sedimentary layers are deposited in a time sequence, with the oldest on the bottom and the youngest on the top."

law of superposition, I believe.

Hope this helped even though you posted this two weeks ago!

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: )

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