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20 Cards in this Set
- Front
- Back
floor for its entire life
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holoplankton
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floats for a portion of its life
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meroplankton
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lives on the sea floor
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epifauna
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lives in benthic sediments
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infauna
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swims for its entire life
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nekton
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Which of the following statements shows the correct hierarchical ordering of taxonomic levels in terms of increasing specificity
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kingdom, phylum, class, order, family, genus, species
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Which of the following associations is incorrect
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Kingdom Plantae - macroscopic algae
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Planktonic organisms that spend part of their lives in planktonic form and the rest of their lives as either benthos or nekton are called
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meroplankton
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When compared to their warmer water counterparts, cold water plankton often
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larger in size
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Euryhaline organisms
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survive wide salinity fluctuations
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Organisms that cannot withstand large changes in temperature are referred to as
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stenothermal
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When an organism has the same internal salt and water concentration as its environment
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isotonic
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Osmotic pressure increases as the
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difference in salinity increases
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The majority of marine invertebrates are
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isotonic with respect to their environment
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An organism that tolerates a wide range of salinities
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euryhaline
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The sublittoral (subtidal) zone is the area
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below the intertidal zone on the continental shelf
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A common body shape that streamlines an organism in the marine environment is a flattened body that
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tapers at the posterior end
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Organisms with small, expandable bodies, extremely large mouths, and efficient teeth are likely to be found in the
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bathypelagic zone
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Most marine species are found in a
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benthic environment
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Neritic marine environments would be found
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associated with continental shelves
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