In the GastroVascular Cavity
yes
Perch have complete digestive systems
The hydra is a classic example. See link below for more information.
The excretion process in Cnidarians is accomplished through diffusion. The waste flows out of the gastrovascular cavity after the nutrients go directly to the body.
The gastrovascular cavity functions in digestion and respiration. Many animals who have a gastrovascular cavity do not need a circulatory system.
In the GastroVascular Cavity
yes
No, a gastrovascular cavity only has one opening. Only an alimentary canal features a mouth and anus.
A gastrovascular cavity is a digestive sac with only a single opening. A complete digestive tract (otherwise known as an Alimentary canal) has two openings (a mouth and anus) between its digestive tubes unlike the gastrovascular cavity in which food is ingested and eliminated through the same opening (example would be hydra)
no, theres one opening
It is called the Coelenteron or gastrovascular cavity.
gastrovascular cavity
gastrovascular cavity
gastrovascular cavity
gastrovascular cavity
Food from the food pipe is sent into the gastrovascular cavity. The surrounding tissues secrete enzymes that bring about digestion. Nutrients are absorbed and sent to the other organs for utilization.