Intertidal Communities/Coral Reefs

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Rocky intertidal communities

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26 Terms

1

Rocky intertidal communities

________ are made up of zonations.

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2

Mobile organisms

________ can move to the non- wave exposed side of a rock.

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3

Mesenterial filaments

________= strings that come off individual members to reel in food, think of them as "long fishing nets.

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4

Corals

________ are basically just copies of the first polyp that landed there.

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5

surface area

Gathering in numbers= increasing the ________ so that the wave goes over the entire group, decreasing the force of the wave.

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6

Radiator effect

Increased surface area on their bodies

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7

thin bones

Reduced skeletons= ________ that make up their skeleton.

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8

Tritons

The only ones that can consume them because the sea star is poisonous.

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9

bioluminescence

the use of chemical reactions in body to make light.

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10

Endoparasites

internal parasites (muscles, guts, blood)

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11

Operculum

Covering thats used to close their bodies from the external environment.

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12

Transport host

only used to move from one organism to another.

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13

Intertidal

"between communities"

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14

Operculum

Covering thats used to close their bodies from the external environment

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15

Hermatypic corals

"reef-building corals", mutualistic relationship with zooxanthallae

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16

Ahermatypic corals

"non-reef building corals", lives in deep water

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17

Fringing Reef

Close to the shore, the youngest type of reef

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18

Barrier Reef

Further away from the coast, very large

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19

Atoll

The oldest type of reef

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20

Patch reef

small, isolated reefs that grow up from the open bottom of the island platform or continental shelf

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21

Planula

Free-floating microscopic Cnidarians

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22

What creates the foundation for a coral reef?

Coraline red algae dies and releases calcium that is mixed with sand

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23

Photic zones

Areas that can receive pockets of sunlight

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24

How can mobile organisms mitigate the effects of wave shock?

By moving to a non-wave exposed side of a rock

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25

How can non-mobile organisms mitigate the effects of wave shock?

Evolved to have thicker shells (“adhesives”), lowering their profile, and gathering in numbers

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26

Most organisms living in coral reefs are

Euryhaline

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