Reading...
Play button
Play button
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;
8 Cards in this Set
- Front
- Back
|
what are cnidarians?
|
soft-bodied animals with stinging tentacles arranged in circles around their mouth; they exhibit radial symmetry and have specialized cells/tissues
|
|
|
gastrovasular cavity
|
digestive cavity jn cnidarians with only one opening
|
|
|
what are the germ layers of cnidarians?
|
epidermis (outside) , mesoglea( thick:medusae/thin:polyp ), gastroderm (lines GVC)
|
|
|
nematocysts
|
stinging structure on the tentacles of cnidarians; used to kill or paralyze prey
|
|
|
statocysts
|
helps organism determine which way is up
|
|
|
ocelli
|
eyespots, detects presence of light
|
|
|
budding
|
asexual reproduction. swelling on the side, eventually grows into a complete polyp
|
|
|
what are the three classes of cnidaria and examples?
|
hydrozoa: hydras
anthozoa: sea anemones and coral scyphozoa: true jellies |
