Coral Reef Ecology

Front 1

Cnidarian

Back 1

animals with sac-like bodies and stinging cells

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nematocysts

Back 2

stinging cells

Front 3

thecas

Back 3

cup-like skeletal calcareous reefs

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medusa

Back 4

mobile stage of life in the cnidarian cycle

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Scyphozoa

Back 5

Class Jellyfish are in

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Actiniae

Back 6

sea anenome order

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polyp

Back 7

cnidarians anchored to a hard surface

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viviparous

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gives live birth

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annelids

Back 9

groups of worms with segmented bodies

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Anthozoa

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solitary or colonial cnidarians living as polyps with circular mouths and a crown of tentacles

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atoll

Back 11

ring shaped reef made of calcareous algae

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Bryozoa

Back 12

class of colonial marine invertabrates "moss animals"

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cay

Back 13

flat, sandy, or coralline island

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Ceriantharia

Back 14

order of solitary Anthozoa that live in small self made tubes

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chitinous

Back 15

made of chitin, exoskeletons of worms, insects, and crustaceans

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cilia

Back 16

short hairlike structures that grow from a cell

Front 17

ctenophores

Back 17

invertebrate marine carnivores closely related to cnidarians

Front 18

hermatype coral

Back 18

Anthozoa "hard coral" containing zooxanthellae

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Hydrozoa

Back 19

solitary or colonial cnidarians living as polyps or medusas, fresh and salt water

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inner slope

Back 20

incline from the reef flat that forms the external lagoon of an atoll

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knoll

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submerged madrepore pinnacle, situated between the inner and outer lagoons of an atoll

Front 22

lagoon

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shallow basin of water separated from the open sea by a coral reef, but connected by a tidal channel

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lateral line

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external sense organ in sharks that detects vibrations and changes in water movement

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madrepore islet

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formation of a reef flat that emerges from the water

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mimicry

Back 25

the quality of resembling another organism

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Polychaeta

Back 26

class of marine organisms belonging to the annelids

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radula

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feeding organ in the mouths of mollusks made of continually renewed chitinous ribbon

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selachian

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cartilaginous fish, like sharks, rays

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serranid

Back 29

carnivorous fish of the family Serranidae

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subsidence

Back 30

process by with a delta or other land area sinks underwater