Science ANIMALS chapter 2 Mollusks arthropods echinoderms section 3 and section 5
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10 terms
Terms | Definitions |
|---|---|
 Insect | Arthropods with 3 body sections,6 legs,1 pair of antennae and usually 1 or 2 pairs of wings. |
| Thorax | An insects middle section |
| Complete Metamorphosis | A type of metaporphosis characterized by 4 different stages |
| Pupa | The stafge when a insect changes from a larva to an adult |
| Gradual Metamorphosis | A type of metamorphosis in which an egg hatches into a nymph that resembles an adult,and which has no distinct larval stage |
| Nymph | A stage of gradual metamorphosis that usually resembles the adult insect |
| camouflage | protective coloring a common animal defense |
| echinoderm | A radially symmetrical invertebrate that lives on the ocean floor and has a spiny internal skeleton |
| endoskeleton | internal skeleton or supporting framework in an animal |
| water vascular system | system of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration |
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