Cnidaria Test Flashcards
The gastrovasuclar cavity is also called the?
Coelenteron
Dioecious means?
Separate sexes
A polyp is
Tubular body with a mouth at one end surrounded by tentacles
Medusa is
Free swimming cup-shaped and tetramerous symmetry
Nematocyst
A tiny capsule composed of material similar to chitin which contains a coiled tubular thread full of barbs or spines
Cnidocil
A trigger like structure of the cnidocyte
Forms boarder along the shore acting as an extension of the coastline and can surround islands
Fringing reef
Are found far from shore and are separated from the coast by large lagoons or sea known as a channel the outermost part of the reef is normally a wall
Barrier reef
Are somewhat circular chain of reefs and or islands that surround a central lagoon
Atolls
What you find in the Florida keys an are separated from the coastline by a channel
Outer bank; spur; and groove
Small patches found normally between the shore and outer reefs structure
Patch reef
Defensive polyps for the Portuguese man of war is called
Davtylzooids
The most common type of reproduction is
Sexual
The free swimming ciliates planks stage is
Minute polyp
The throat like extension of the mouth
Manubrium
