Energy Pyramid Worksheet (Grade 7)

Master food chains & energy pyramids! 7th-grade worksheet on trophic levels and Joules.

Fill the following blanks. Tertiary Consumer Secondary Consumer Primary Consumer Producer Acorn Squirrel Coyote Phytoplankton Shrimp Snapper Shark Crow 1. What is the number of consumers in the second food chain? 1 2 3 4 2. If the acorns in the first food chain had energy equal 7500 Joules: a. Calculate the energy gained by the squirrel. (Show your work)b. Calculate the energy gained by the crow.(Show your work) 3. Producers get their energy from _ to undergo _ to grow and reproduce... the sun, cellular respiration the moon, metamorphosis the sun, photosynthesis