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Author Question: A salmon migrates from the ocean to freshwater rivers to spawn. What is the freshwater environment ... (Read 172 times)

Deast7027

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on: Aug 22, 2018

A salmon migrates from the ocean to freshwater rivers to spawn. What is the freshwater environment
  like for the salmon?
  a. Hypertonic
  b. Hypotonic
  c. Isotonic
  d. Equitonic



Question 2

Most marine organisms are ____.
  a. metabolic
  b. endothermic
  c. ectothermic
  d. exothermic



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jamesnevil303

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

ANS: A
The freshwater environment is hypertonic to the salmon. The water would be moving into the fish
through its cell membranes. Information can be found in the section Environmental Factors Influence
the Success of Marine Life.



Answer to Question 2

ANS: C
These organisms are said to be cold blooded. Ectothermic organisms have internal temperatures are
close to that of their surroundings. Information can be found in the section Environmental Factors
Influence the Success of Marine Life.



Deast7027

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Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)

parshano

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  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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