Invertebrate Vocabulary

2. Organisms that primarily feed on plants.
4. and clams.
6. Respiratory organs in aquatic organisms that extract oxygen from water. Ecosystem Services: Benefits provided by ecosystems to humans, such as water purification and
9. Division of an organism's body into repeating structures or segments.
10. Sessile: Describes organisms that are permanently attached to a substrate and do not move.
14. The variety of life within a specific ecosystem or habitat.
15. Symmetry: Symmetry around a central point, commonly seen in organisms like cnidarians and
18. A biological community of interacting organisms and their physical environment.
20. Organisms that primarily feed on other animals.

1. The preservation and sustainable management of natural resources and biodiversity.
3. External hard covering, typically made of chitin, providing support and protection,
5. Vascular System: Unique hydraulic system in echinoderms for movement, feeding, and
7. identical to the parent.
8. Animals lacking a backbone or vertebral column.
11. A taxonomic rank in biological classification, grouping organisms based on shared
12. Specialized stinging cells found in cnidarians, used for defense and capturing prey.
13. Destruction: Alteration or elimination of natural habitats, often due to human activities.
16. Feeder: Organisms that obtain food by filtering particles from the water, as seen in sponges.
17. in arthropods.
18. A phylum of marine invertebrates including starfish, sea urchins, and sea
19. Shell: Protective structure typically composed of calcium carbonate, found in mollusks like
21. Reproduction: Reproduction without the involvement of gametes, resulting in offspring