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;
12 Cards in this Set
- Front
- Back
has a tube-shaped body with a mouth surrounded by tentacles
|
Polyp
|
|
has an umbrella-shaped body, called a bell, with tentacles that hang down. Its mouth is on the underside of the bell.
|
Medusa
|
|
a capsule that contains a coiled, thredlike tube.
|
nematocyst
|
|
the inner cell layer of cnidarians surrounds a space called a
|
gastrovascular cavity
|
|
conducts impulses to and from all parts of the body
|
Nerve net
|
|
what are the four types of Cnidarians?
|
Scyphozoa, hydrozoa, anthozoa, cubozoa
|
|
what are the two groups of Hydrozoans?
|
hydroids and siphonophores
(Hydrozoans form colonies) |
|
marine animals. formed by budding. attach to things like shells
|
hydroids
|
|
floating colonies on oceans surface
|
siphonophores
|
|
what are Scyphozoans?
|
Jellyfish
|
|
what is the dominant stage in the Scyphozoan class?
|
Medusa
|
|
Most Anthozoans build what?
|
coral reefs
|