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20 Cards in this Set

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