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.
Hydra expels waste and undigested food through its mouth, which serves a dual purpose as both the entry point for food and the exit for waste. After capturing prey, the hydra digests it in its gastrovascular cavity, and any indigestible remnants are pushed back out through the same opening. This simple process is efficient for their small, tubular body structure.
Diffusion
No it is not true
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.
They are both producers of food
dip
The green pigment in hydra organisms, called "hydra-chlorophyll," is not produced by the hydra itself but is obtained from the algae that live symbiotically within its cells. This pigment allows for photosynthesis to occur within the hydra and provides energy for the organism.
Since Hydra is part of the group of cnidarians, it is a bit more complicated than a sponge. The way that hydra digest their food is through extracellular digestion. This means that hydra actually have a special gut cavity that traps and digests food instead of having a bunch of cells do it, like a sponge. This gut cavity only has one opening and during digestion, enzymes from the cell wall are released to aid in breaking down the food. Once digested, the food is engulfed by cells from the wall into tiny particles through a process called Phagocytosis.
it eat the people and the p
The acid likely disrupted the hydra's osmoregulation process by changing the pH of the water, leading to an influx of water into the hydra's cells. This change in water balance triggered a contraction response in the hydra.
Asexually, through a process known as budding.