Marine Environments
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1. Populations of genetically similar, interbreeding individuals that share collection of inherited characteristics constitute
Kingdom
Species
Class
Order
2. 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
genus, species order, family, kingdom, phylum, class
phylum, class, order, kingdom, family, genus, species
kingdom, family, genus, species, order, phylum, class
3. Which of the following IS NOT one of the three types of marine organisms?
plankton
nekton
cefalon
benthos
4. Diatoms and other planktonic organisms often have needle-like structures that
are used as a defense mechanism
increase density
prevent sinking
serve as a "skeleton" to support the diatom
5. The majority of marine invertebrates are
isotonic with respect to their environment
estuarine
adapted to life in the pelagic zone
hypertonic with respect to their environment
6. The color pattern in which marine organisms are light on the bottom and dark on the top of their bodies camouflaging them against the water-air interface is
defensive coloration
countershading
warning coloration
disruptive coloration
7. Euphotic zone
is deepest and darkest part of the ocean
is the zone of dim light between 100 and 1000 m depth
extends from surface to about 100 m depth
extends from 200 m to 500 m and has blue color
True
or False
8. Benthic marine organisms are much more abundant
and diverse than pelagic marine organisms.True
False
9. There is more marine species of life than land species of
life on our planet. True
False
10. Freshwater fish drink water while marine fish do not drink water.True
False