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16 Cards in this Set

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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