Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
|
Polyp |
Usually sessile stage if life cycle of a cnidarian that has a cylindrical bidy with armlike tentacles |
|
|
Medusa |
Motile stage of the life cycle of a cnidarian that has a bell-shaped body |
|
|
Gastrovascular Cavity |
Digestive chamber with a single opening, in which cnidarians, flatworms, and echinoderms digest food |
|
|
Nerve Net |
Loosely organized network of nerve cells that together allow cnidarians to detect stimuli |
|
|
Hydrostatic Skeleton |
Layers if circular and longitudinal muscles, together with the water in the gastrovascular cavity, that enable movement |
