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AP® Environmental Science

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Food Webs and Energy Flow

APES-SK4C1V

Using the diagram below, which of the following trophic relationships is INCORRECT?

US Geological Survey. "Chapter 14: Changes in Food and Habitats of Waterbirds." Figure 14.1. Synthesis of U.S. Geological Survey Science for the Chesapeake Bay Ecosystem and Implications for Environmental Management. USGS Circular 1316.

A

Benthic Invertebrates receive energy from Phytoplankton.

B

Bivalves receive energy from eating Sea Ducks and Tundra Swan.

C

Vegetation supplies the energy for Geese and Mute Swans.

D

Zooplankton provide energy for Bivalves.

E

Small Planktivorous Fish receive energy from Zooplankton and Phytoplankton.