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In a Pond Ecosystem,a Crayfish Feeds on Three Species of Algae.It

Question 30

Multiple Choice

In a pond ecosystem,a crayfish feeds on three species of algae.It in turn is preyed on by one species of fish and a heron.The heron also preys upon the fish.What is the minimum number of food chains in this food web?


A) 2
B) 3
C) 4
D) 5
E) 6

Correct Answer:

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