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james.is.21 james.is.21
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7 years ago
Park officials needed to repair the old mill dam in a state park and so had to drain the pond behind, killing all the animals and many of the plants in the water. After the pond reformed and many years passed, a certain species of fish established itself in the pond and remained there for more than 400 years. Which most directly describes the role of that type of fish?
A) pioneer
B) producers
C) climax species
D) invaders
Textbook 
Biology of Humans: Concepts, Applications, and Issues

Biology of Humans: Concepts, Applications, and Issues


Edition: 5th
Authors:
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R.FrantR.Frant
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7 years ago
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james.is.21 Author
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7 years ago
This is consistent with the textbook, thx
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