Invertebrate Vocabulary

4. in arthropods.
5. identical to the parent.
8. and clams.
9. Symmetry: Symmetry around a central point, commonly seen in organisms like cnidarians and
10. The variety of life within a specific ecosystem or habitat.
12. Describes organisms that are permanently attached to a substrate and do not move.
13. A phylum of marine invertebrates including starfish, sea urchins, and sea
15. Services: Benefits provided by ecosystems to humans, such as water purification and
16. Vascular System: Unique hydraulic system in echinoderms for movement, feeding, and
17. Reproduction: Reproduction without the involvement of gametes, resulting in offspring
18. External hard covering, typically made of chitin, providing support and protection,
19. Specialized stinging cells found in cnidarians, used for defense and capturing prey.

1. Feeder: Organisms that obtain food by filtering particles from the water, as seen in sponges.
2. The preservation and sustainable management of natural resources and biodiversity.
3. Shell: Protective structure typically composed of calcium carbonate, found in mollusks like
6. Destruction: Alteration or elimination of natural habitats, often due to human activities.
7. Respiratory organs in aquatic organisms that extract oxygen from water.
8. Division of an organism's body into repeating structures or segments.
11. Animals lacking a backbone or vertebral column.
14. A taxonomic rank in biological classification, grouping organisms based on shared