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Arthropoda Study
| Question | Answer |
|---|---|
| the segments of body parts (such as the thorax, the head) | tagmata |
| coelomate, psuedocoelomate, or acoelomate? | coelomate |
| protostome or deuterstome? | protostome |
| reasons for diversity and abundance | exoskeleton is versitile, segmetation provide effective locomotion, air is piped to cells directly, highly developed sensory organs |
| steps in ecdysis | 1. new epicuticle secreted 2. new exocuticle secreted, old endocuticle dissolves 3. discarding of old top! 4. new endocuticle forms |
| different kinds of appendages | uniramous or biramous |
| uniramous | single branch |
| biramous | pair of branches each leg |
| exoskeleton is made of... | chitin |
| mouthparts | chelicerea or mandibles |