Virtual Research Cruise: Sampling Zooplankton Food Web Activity Answer Key

Food Web Key: Grades 2-5

A simple food web with at least 2 food chains Osprey

Bald Eagle I hunt in fish-filled I nest in forested areas lakes, ponds, streams, near large lakes and rivers, and wetlands. I like to build my nest on rivers. I often soar in the sky to search for my food. high man-made I eat fish, mammals, birds, structures. frogs, snakes, lizards, and I dive into the water to dead animals. catch fish.

Adult Westslope Cutthroat Trout I live in the cold, clear water of lakes, streams, and rivers. I eat aquatic insects and smaller fish.

Juvenile Trout I live in lakes, streams, and rivers. I like to hide in the pools and side channels of rivers and streams. I eat aquatic insect larvae, baby fish, and zooplankton.

Cladocerans - Zooplankton Copepods - Zooplankton

I live in lakes, ponds, streams, I live in lakes, ponds, streams, rivers, and wetland areas. You rivers, and wetland areas. You need to use a microscope to need to use a microscope to see see me. me. I mostly eat phytoplankton and I mostly eat phytoplankton bacteria. and bacteria.

Phytoplankton I am a diatom (microscopic algae) that floats and drifts with the water currents. I use sunlight, water, and carbon dioxide to build sugar for myself through photosynthesis.

 2021 Created by FLARE: Flathead Lake Aquatic Research and Education Program at the Flathead Lake Biological Station. All food web images were illustrated by Holly Church. Virtual Research Cruise: Sampling Zooplankton

Food Web Key: Grades 6-12

Example food web. You may have additional or different feeding connections

 2021 Created by FLARE: Flathead Lake Aquatic Research and Education Program at the Flathead Lake Biological Station. All food web images were illustrated by Holly Church.