The hydra is an example of an organism with a simple body plan that uses the same site for both digestion and nutrient distribution. What is the name of that site?

Gastrovascular Cavity

Explanation:

Hydra is commonly found in freshwater ponds and ditches as solitary organisms, in underside of aquatic leaves and lily pads in cool,clean freshwater pools and streams. It has a *Cylindrical body shape*.

Hydra possesses an internal body cavity, the *Gastrovascular cavity *,lined by gastrodermis and has a single opening,the mouth,which serves as an anus.

The Gastrovascular cavity of Hydra is a site for *digestion and nutrient distribution*,and also serves as anus.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.