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Author Question: What is created due to the decomposition of falling biological debris and zooplankton activity? a. ... (Read 28 times)

notis

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on: Aug 22, 2018

What is created due to the decomposition of falling biological debris and zooplankton activity?
  a. Bioluminescence
  b. Oxygen minimum zone
  c. Compensation depth
  d. Disphotic zone



Question 2

What Zooplankton is considered a keystone species?
  a. Ctenophores
  b. Meroplankton
  c. Pteropods
  d. Krill



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poopface

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

ANS: B
The oxygen minimum zone is below the surface zone. Oxygen gets depleted by the animals there, but
is not replaced by photosynthesis. Information can be found in the section Zooplankton Consume
Primary Producers.



Answer to Question 2

ANS: D
Krill are considered the keystone of the Antarctic ecosystem. They are the food source for a
tremendous number of animals, including large whales. Information can be found in the section
Zooplankton Consume Primary Producers.



notis

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Reply 2 on: Aug 22, 2018
Gracias!

carlsona147

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Reply 3 on: Yesterday
Wow, this really help

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