Answer to Question 1ANS: C
Desiccation is the drying out of an organism. Motile animals can move towards water, but sessile
organisms must await the return of water. They trap water within their shells to keep their gills moist.
Some have a protective mucous which prevents water loss. Information can be found in the section
Examples of Marine Communities.
Answer to Question 2ANS: C
The Arctic does not have a deep scattering layer. Perhaps this is due to the abundance of nutrients in
the deep water and the waters above. Information can be found in the section Examples of Marine
Communities.
Examples of covalent modifications that occur to the amino terminal tails of histone proteins. The a
Model organisms used to study the genetics of development
Symptoms of a patient in shock
Increased acidity inhibits the growth of coral and other carbonate shell-building organisms
Tidal and wave power
Physiological changes during Shock