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 fish. You know that walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton).In this system, the zooplankton are theMultiple Choicetertiary consumers.secondary consumers.producers.decomposers.primary consumers.

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 fish. You know that walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton).In this system, mercury released from coal-burning power plants would be at the highest concentration inMultiple Choicethe phytoplankton.the zooplankton.the minnows.the walleyes.The amount of mercury would be the same in all organisms.

Asian carp are impacting the native food web through their consumption of what food source?zebra musselsplants and planktoncatfishbass

In an ecosystem, phytoplankton are _____.detritivoresproducerssecondary consumerstertiary consumersprimary consumers

Organisms that obtain their food by eating producers or other consumers are calledMultiple choice question.phytoplankton.heliotrophs.heterotrophs.autotrophs.

Walleye fish are what?Multiple Choicesecondary consumerstertiary consumersprimary consumersproducersdecomposers