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Flashcards in Cnidaria Test Deck (21):
0

Dioecious means?

Separate sexes

1

The gastrovasuclar cavity is also called the?

Coelenteron

2

A polyp is

Tubular body with a mouth at one end surrounded by tentacles

3

Medusa is

Free swimming cup-shaped and tetramerous symmetry

4

Nematocyst

A tiny capsule composed of material similar to chitin which contains a coiled tubular thread full of barbs or spines

5

Cnidocil

A trigger like structure of the cnidocyte

6

Forms boarder along the shore acting as an extension of the coastline and can surround islands

Fringing reef

7

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

8

Are somewhat circular chain of reefs and or islands that surround a central lagoon

Atolls

9

What you find in the Florida keys an are separated from the coastline by a channel

Outer bank; spur; and groove

10

Small patches found normally between the shore and outer reefs structure

Patch reef

11

Defensive polyps for the Portuguese man of war is called

Davtylzooids

12

The most common type of reproduction is

Sexual

13

The free swimming ciliates planks stage is

Minute polyp

14

The throat like extension of the mouth

Manubrium

15

Gelatinous layer

Mesoglea

16

The cells that line the digestive cavity are

Gastrodermis

17

Sea wasp can kill

A man

18

The polyp body form is an adult stage in which classes?

Anthozoa and hydrozoa

19

What is polyp larval stage of the moon jelly called?

Scystistoma

20

What is the structure of the jellyfish the deals with sensory orientation?

Rhopalium