1. What section of a trilobite is the pygidium?
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2. What is the term for the process where a trilobite sheds its exoskeleton?
3. What section of a Trilobite is the thorax?
4. What is a gill?
- Feathery structure used for gas exchange that is positioned above the legs.
- For locomotion
- Part of the cephalon that breaks away from the skeleton during ecdysis.
5. What class are trilobites part of?