NOAA
An Ocean of Energy
Young biologists trace the path of the sun's energy through marine ecosystems in the second part of this four-lesson series. Building on prior knowledge about producers, consumers, and decomposers young scholars are introduced to the...
University of California
Energy and Biomass Pyramids
Young scientists play tag as they act out the food pyramid in the ocean ecosystem. Energy circles pass from the smaller prey to the predators and at the end of the activity, a data chart and analysis questions allow pupils to apply their...
Curated OER
Food Chains, Food Webs, Biomass Pyramids and Cycle
In this food chains worksheet, students complete a crossword puzzle by placing 16 terms into the puzzle that match the clues given. Students review food webs, biomass pyramids, and the water cycle.
Curated OER
Populations and Ecosystems
Seventh graders create a model of an ecosystem and label it to show structure and function. They research the food web of an aquatic animal and also trace energy flow from the primary producer up the food chain.
Curated OER
Ecology and the Conservation of Natural Resources Lesson 2
Students compare and contrast abiotic and biotic factors. They discuss how these factors effect ecosystems. They answer questions to complete the lesson.
Curated OER
Who Can Harvest A Walleye?
Seventh graders investigate the concept of how an ecosystem is put together while conducting research using a variety of resources. They correctly differentiate between a herbivore and carnivore by placing them in the order of hierarchy...