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Author Question: What can occur when organisms are exposed to air and sunlight? a. Wave shock b. Motility c. ... (Read 76 times)

Frost2351

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on: Aug 22, 2018

What can occur when organisms are exposed to air and sunlight?
  a. Wave shock
  b. Motility
  c. Desiccation
  d. Succession



Question 2

Where is there no deep scattering layer present?
  a. Temperate oceans
  b. Tropical oceans
  c. Arctic oceans
  d. All oceans have a deep scattering layer



lkanara2

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Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: 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 2

ANS: 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.



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Frost2351

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Reply #2 on: Aug 22, 2018
Both answers were spot on, thank you once again


lkanara2

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Reply #3 on: Aug 22, 2018
Great! Please up vote :D


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