What salts are in seawater? a) Na Cl b) Ca Cl c) K Cl d) ...

[ss2343]

What salts are in seawater?
 
  a) Na Cl
  b) Ca Cl
  c) K Cl
  d) Mg Cl
  e) All of the above

Question 2

Why are plankton greater in biomass than nekton and benthos?
 
  a) Plankton are eaten by both nekton, and benthos, and only 10 of the energy is transmitted across tropic levels.
  b) Because plankton are small, they utilize nutrients more efficiently.
  c) Benthos and nekton do not reproduce as quickly.
  d) Phytoplankton use solar energy to create new biomass, and this is more efficient than other mechanisms.
  e) The statement is incorrect. Nekton and benthos together have greater biomass than plankton.

[raenoj]

Answer to Question 1

E

Answer to Question 2

B

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[raenoj]

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