Invertebrate > Related Articles
From Citizendium, the Citizens' Compendium
Tasks include:
1) write a definition for each topic.
2) start a new article (click a red link).
3) expand an existing stub or article.
Subtopics
- Annelid [r]: Add brief definition or description
- Segmented worm [r]: Add brief definition or description
- Earthworm [r]: Add brief definition or description
- Leech [r]: Annelids of the class Hirudinea, characterized by a cylindrical or slightly flattened body with suckers at either end for attaching to prey and drawing blood. [e]
- Polychaete [r]: Add brief definition or description
- Arthropoda [r]: Phylum which includes insects, crustaceans, and organisms with a hard shell-like segmented body. [e]
- Insect [r]: One of numerous small arthropod animals with six legs, an exoskeleton that grows by molting, and oftentimes wings. [e]
- Arachnid [r]: Add brief definition or description
- Crustacean [r]: Add brief definition or description
- Mollusca [r]: Add brief definition or description
- Squid [r]: Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Squid (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.
- Snail [r]: Add brief definition or description
- Bivalve [r]: Add brief definition or description
- Porifera [r]: Add brief definition or description
- Sponge [r]: One of a loose group of sedentary, aquatic, filter-feeding invertebrate animals with soft and porous bodies, placed into the phylum Porifera. [e]
