Introduction to Animals
Terms
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- Body parts are the same of each side of a bisecting line
- bilateral symmetry
- A young worm enclosed in a protective covering/case
- cyst
- A young organism that is different in form from the adult
- larva
- An opening for the elimination of digested wastes
- anus
- An animal that is attached to some surface and does not move about
- sessile
- An organism that has no backbone
- invertebrate
- An animal that possesses a backbone
- vertebrate
- A cnidarian whose body is shaped like a tube or a vase
- polyp
- A cnidarian whose body is shaped like an inverted bowl
- medusa
- An organism (animal) that makes both sperm and eggs
- hermaphrodite
- This appendage is used by cnidarians to capture food
- tentacle
- In this type of body symmetry, the body parts are arranged around a central point, similar to a bicycle wheel
- radial symmetry
- In this organism there is no type body of symmetry at all
- asymmtrical
- These animals filter food and oxygen from the water in which they live
- filter feeder
- An organism that finds its own place to live and eat without being dependent on another organism
- free-living
- Introduction to Animals
- Study for Chapter 13