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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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mat mat
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6 years ago
Why is Pacific salmon movement into freshwater streams considered migration if the salmon die at the head of the stream and never return to the ocean?
A) It is not considered migration but immigration.
B) Migration is a one-way movement.
C) Because their offspring return to the ocean, the entire population participates in the migratory event via different life stages.
D) Most male adult fish survive reproduction and return to the ocean.
Textbook 
Elements of Ecology

Elements of Ecology


Edition: 9th
Author:
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redlabourredlabour
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6 years ago
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mat Author
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6 years ago
This helped my grade so much Perfect
Harvinder
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Thank you, thank you, thank you!
noodlelicker
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Just got PERFECT on my quiz
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