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Zoology
Cnidarians
15
Other
11th Grade
12/12/2011

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Cards

Term
Marine
Definition
Most cnidarians live in this type of habitat.
Term
Basal disc
Definition
Cells at the bottoam of many cnidarians forms this and anchors them to rocks.
Term
Ectoderm
Definition
Outermost layer of cells in a cnidarian's body.
Term
Corallum
Definition
Hard corals produce a hard protective exoskeleton called this.
Term
One
Definition
Most cnidarians have this many body openings.
Term
Tentacles
Definition
Most cnidarians have this that surround their mouth.
Term
Gastroderm
Definition
Innermost layer of cells in a cnidarian's body.
Term
Cnidaria
Definition
Phylum that means netteled or annoyed.
Term
Neurotoxin
Definition
Kind of poison/toxin that paralyzes nerves and muscles.
Term

Gastrovascular

Cavity

Definition
The hollow,central cavity of a cnidarian.
Term
Mesoglea
Definition
Jelly- like area between other cells layers in cnidarians.
Term
Nematocytes
Definition
Harpoon like structures for defense and capturing prey commonly called:stinging cells.
Term
Coelenteron
Definition
Another name for the gastrovascular cavity.
Term
Medusa
Definition

Basic body shape of cnidarians with tentacles hanging downward.

 

Term
Radial
Definition
Type of symmetry cnidarians have.
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