Question

What are the excretory structure found in hydra

Answer 1

 · In the most primitive animals, only one opening to the outside can be found. Animals such as hydras have a single ...

Answer 2

Hydra does not have any special organs for excretion.

Excretion happens through gaseous bodily exchanges.

Nitrogenous wastes are usually ammonia based, and the body of the hydra diffuse these.

Some wastes are stored in the gastro dermis; these are excreted through a pore on the body surface.