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Mrpkerzz Mrpkerzz
wrote...
Posts: 491
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6 years ago
Ecological efficiency is usually higher in aquatic ecosystems than on land, in part because photosynthetic protists do
  not make ____, as most land plants do.
  a. chlorophyll
  b. ATP
  c. lignin
  d. cellulose
  e. organic material

Question 2

Approximately what percent of the energy that enters a trophic level becomes available to the next trophic level?
  a. 2 to 12
  b. 3 to 13
  c. 4 to 14
  d. 5 to 15
  e. 5 to 30
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Replies
wrote...
6 years ago
Answer to q. 1

ANSWER: c

Answer to q. 2

ANSWER: e
Mrpkerzz Author
wrote...
6 years ago
Upwards Arrow Correct again
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