Apologia Marine Biology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| intertidal zone | the area of shoreline between high and low tides
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| substrate | the bottom surface of a marine habitat
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| epifauna | benthic animals that move about the surface of the sea bottom or are firmly attached to it
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| sessile | a member of the epifauna that lives attached to a substrate
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| desiccated | a term referring to an organism that has lost its body moisture
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| vertical zonation | noticeable horizontal bands of organisms living within a certain range in the intertidal zone
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| ecological succession | a gradually increasing occupation of new organisms into a specific area
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| infauna | organisms that live under the sediment of an ecosystem
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| littoral zone | another name for the intertidal zone
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| tide pools | small pools of water left behind after the tide goes out
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| headland | area of coastline that juts out farther than the rest of the coast
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| bay | an area of the coast behind the rest of the shoreline
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| upper intertidal zone | sometimes called the splash zone because it is rarely submerged and usually gets its moisture from the splash of wave action
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| middle intertidal zone | begins at the extreme high water level of the spring tides and extends down to just above the average low-tide level
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| lower intertidal zone | an area that is underwater most of the time
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larmstrong3
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