Invertebrate Vocab

3. A phylum of marine invertebrates including starfish, sea urchins, and seacucumbers.
7. Animals lacking a backbone or vertebral column
8. The variety of life within a specific ecosystem or habitat.
10. Respiratory organs in aquatic organisms that extract oxygen from water.
11. Alteration or elimination of natural habitats, often due to human activities.
13. Feeder: Organisms that obtain food by filtering particles from the water, as seen in sponges.
14. A taxonomic rank in biological classification, grouping organisms based on sharedcharacteristics.

1. The preservation and sustainable management of natural resources and biodiversity.
2. Specialized stinging cells found in cnidarians, used for defense and capturing prey.
3. Benefits provided by ecosystems to humans, such as water purification andpollination.
4. Symmetry: Symmetry around a central point, commonly seen in organisms like cnidarians andechinoderms.
5. Describes organisms that are permanently attached to a substrate and do not move.
6. Reproduction: Reproduction without the involvement of gametes, resulting in offspringgenetically identical to the parent.
9. Vascular System: Unique hydraulic system in echinoderms for movement, feeding, andrespiration.
12. External hard covering, typically made of chitin, providing support and protection,common in arthropods.