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

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