invertebrates vocab

3. Organisms that primarily feed on plants
6. Describes organisms that are permanently attached to a substrate and do not move
10. Feeder Organisms that obtain food by filtering particles from the water, as seen in sponges
12. Benefits provided by ecosystems to humans, such as water purification and pollination
13. A biological community of interacting organisms and their physical environment
15. Symmetry Symmetry around a central point, commonly seen in organisms like cnidarians and echinoderms
16. A taxonomic rank in biological classification, grouping organisms based on shared characteristics
19. Vascular System Unique hydraulic system in echinoderms for movement, feeding, and respiration
20. Animals lacking a backbone or vertebral column

1. Specialized stinging cells found in cnidarians, used for defense and capturing prey
2. Respiratory organs in aquatic organisms that extract oxygen from water
4. A phylum of marine invertebrates including starfish, sea urchins, and sea cucumbers
5. Organisms that primarily feed on other animals
7. Division of an organism's body into repeating structures or segments
8. The variety of life within a specific ecosystem or habitat
9. External hard covering, typically made of chitin, providing support and protection, common in arthropods
11. The preservation and sustainable management of natural resources and biodiversity
14. Alteration or elimination of natural habitats, often due to human activities
17. Protective structure typically composed of calcium carbonate, found in mollusks like snails and clams
18. Reproduction without the involvement of gametes, resulting in offspring genetically identical to the parent