g The gastrointestinal tract has 4 basic layers. Which layer is the one that comes in contact with the food that you eat?]

Muscularis propria

Explanation:

The gastrointestinal tract has the following four basic layers:

1.  Mucosa is the innermost layer

2. Submucosa is underneath the Mucosa

3. Muscularis propria

4. Adventitia is the outermost layer

Muscularis propria  is the one that comes in contact with the food that you eat.

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: )

the cell cycle is the final answer! : )