How has discovery of these minute phytoplankton changed our ...

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How has discovery of these minute phytoplankton changed our understanding of marine food webs?
  1.No change, as theyre too small to be eaten by anything.
  2.The base of the food web has organisms much smaller than diatoms.
  3.Their growth is usually limited by nutrients, hence theyre unimportant.
  4.They are actually eaten by all marine life.
 
Question 2

Based on energy flow, what types of organisms are most abundant in the ocean?
  1.dolphins, sharks, and other large predatory fishes
  2.deep-sea bioluminescent fishes
  3.small drifting organisms like those in the upper circular area
  4.smaller drifting organisms seen in the lower circular area
 

[voltaire123]

Answer to Question 1

2

Answer to Question 2

4

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Gracias!

[xiazhe]

Excellent