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;
2 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Class: Asteroidea
|
Phylum: Echinodermata
radially symmetrical body, usually 5-parted around oral-aboral axis, body wall w/ calcareous plates, often external spines, coelem includes water vascular system & tube feet |
|
|
Class: Merostomata
|
Phylum: Arthropoda
head/thorax/abdomen, 3+ pairs of jointed legs, chitonous exoskeleton covering all parts, molts occasionally |
