You Go on a Canoe Trip to the Boundary Waters

question 65

Multiple Choice

You go on a canoe trip to the Boundary Waters Canoe Area (BWCA) in northern Minnesota. This ecosystem is cold most of the year and receives plenty of rainfall. It has many lakes that are full of walleye pike. You know that walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) , which eat algae (phytoplankton) .
-Zooplankton are which of the following?

• A) secondary consumers
• B) tertiary consumers
• C) producers
• D) decomposers
• E) primary consumers

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