Question

Why hydra has two types of digestions?

Answer 1

Enzymes secreted by thehydra , it will down food from absorption. Hydraalso use extracellulardigestion and secrete molecules to break down the substrate they will grow. And intracellulardigestion take place inside the cell. That's why hydra has two types of digestion


OR



Hydra (coelentrate marine organism) has a unique digestive system which is both extracellular and intracellular. It uses stinging tentacles (nematocytes) to paralyze organisms and bring them into its gastrovascular cavity.

Answer 2

Cnidarians (such as the Hydra in the adjacentimage) do not possess organs or systems, but they possess a number of significant characteristics of the digestive systems of higher animals. They possess a mouth and a gastrovascular cavity.