they feed by using the cnidocytes on its tentacles to shoot the nematocyst at prey (which paralyzes prey) then it moves the prey to its mouth and engulfs it
A hydra removes undigested food the same ways it takes in food. A hydra takes in it's food through it's tentacles, so it removes food the same way because it's like a pipe stuck in the ground and there is only one way in and one way out.
Both the single opening of a hydra and the pseudopod of an amoeba are involved in the process of feeding. The hydra uses its single opening to capture and ingest prey, while the amoeba extends its pseudopod to engulf food particles through phagocytosis.
Eat it
absorbs the food!
To "ingest."
Diffusion
No, they perform photosynthesis.
salmonella
Animal
gizards
cytostome
The process used by some protists to actively ingest food particles is called Phagocytosis.