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;
10 Cards in this Set
- Front
- Back
|
sponges
|
sednetary animals that lack true tissues and organs, suspension feeders,
|
|
|
suspension feeders
|
capture food particles suspended in water that pass through their body.
|
|
|
choanocytes
|
flagellated collar cells, generate a water current through the sponge and ingest suspended food.
|
|
|
cnidarians
|
have diversified into a wide range of both sessile and motile forms including jellies, corals, and hydras, exhibit a relatively simple diplobalstic(ectoderm and endoderm), radial body plan that consists of a sac with a gastrovascular cavity, single opening that functions as a mouth and anus, carnivores that use tentacles to capture prey, have cnidocytes and nematocytes
|
|
|
gastrovascular cavity
|
a central digestive compartment
|
|
|
polyp
|
a sessile body plan of the cnidarians.
|
|
|
medusa
|
the motile body plan of the cnidarians.
|
|
|
cnidocytes
|
unique cells that function in defense and capture of prey
|
|
|
nematocyts
|
specialized organelles within cnidocytes that eject a stinging thread
|
|
|
bilaterian animals
|
have bilateral symmetry and triploblastic development
|
