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science week 1
| Term | Definition |
|---|---|
| Larva | Immature form of an animal that looks very different from the adult form. |
| Cnidarians | Invertebrates that have stinging cells and take food into a central body cavity. |
| Polyp | Vase-shaped body plan |
| Medusa | Bowl shaped body plan |
| Colony | A group of many individual animals. |
| coral reef | Built by cnidarians |
| Parasite | is an organism that lives on or inside another organism |
| host | The organism in or on which the parasite lives in. |
| Free-living organism | Does not live in or on another organism |
| scavengers | feed on dead or decaying material |
| anus | waste exits through this opening |
| closed circulatory system | Blood moves only within a connected network of tubes. |