Cnidarians

Front 1

Sea anemones have this type of symmetry

Back 1

Radial

Front 2

Outer cell layers of an adult cnidarian

Back 2

Epidermis

Front 3

Cells within aid in movement, can contract, extend, bend, or pulse the body or tentacles of the organism

Back 3

Epitheliomuscular cells

Front 4

Inner cell layer of an adult cnidarian; functions mainly in digestion

Back 4

Gastrodermis

Front 5

The extra cellular matrix that acts like glue between the two body layers; jelly of a jellyfish

Back 5

Mesoglea

Front 6

Name for the blind gut in which digestion occurs

Back 6

Gastrovascular cavity

Front 7

Another name for the gastrovascular cavity

Back 7

Coelenteron

Front 8

Type of cnidarian nervous system

Back 8

Nerve net

Front 9

Vase-shaped hydroid form, which is adapted to a sedentary or sessile life

Back 9

Polyp

Front 10

Umbrella or bell shaped jellyfish form, which is adapted for free-floating or weak swimming

Back 10

Medusa

Front 11

Term referring to organisms with two different body forms

Back 11

Dimorphism

Front 12

Sensory structures used for balance and orientation

Back 12

Stayocysts

Front 13

Sensory structures used for light reception

Back 13

Ocelli

Front 14

Motile larvae of a jellyfish

Back 14

Planula

Front 15

Type of asexual reproduction in which knobs of the tissue form in the side of an existing polyp

Back 15

Budding

Front 16

Type of asexual reproduction in which an individual divides in half as one side of the polyp plus away from the other side

Back 16

Fission

Front 17

Process in which a polyp can produce many Medusae

Back 17

Strobilation

Front 18

Immature, eight-armed, free-swimming medusae formed from strobilation

Back 18

Ephyrae

Front 19

Adjective to describe animals that prefer open water

Back 19

Pelagic

Front 20

Adjective to describe animals that prefer substrate (bottom) environments

Back 20

Benthic

Front 21

Adjective to describe animals that prefer substrate (bottom) environments

Back 21

Benthic

Front 22

Cnidarian stinging cells

Back 22

Cnidocytes

Front 23

The most common type of cnidae

Back 23

Nematocysts

Front 24

The nematocysts sensor which triggers the filament to pop out

Back 24

Cnidocil

Front 25

Corals use these small organisms to supplement their nutrition

Back 25

Zooxanthellae

Front 26

Class name describing cup animals that live mostly in the medusa stage

Back 26

Scyphozoa

Front 27

The largest known species of jellyfish

Back 27

Lions mane

Front 28

The four horse-shoe shaped structures of a moon jelly

Back 28

Gonads

Front 29

The four horse-shoe shaped structures of a moon jelly

Back 29

Gonads

Front 30

The most venomous animal on earth

Back 30

Box jelly

Front 31

Nickname for chironex fleckeri

Back 31

Sea wasp

Front 32

Term for animals that are not colonial but instead live as individual polyps

Back 32

Zooid