Summarize how energy flows through an ecosystem.
Lessons for this standard
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Arrange components of a food chain according to energy flow.
Compare the quantity of energy in the steps of an energy pyramid.
Describe strategies used by organisms to balance the energy expended to obtain food to the energy gained from the food (e.g., migration to areas of seasonal abundance, switching type of prey based upon availability, hibernation or dormancy).
Compare the relative energy output expended by an organism in obtaining food to the energy gained from the food (e.g., hummingbird - energy expended hovering at a flower compared to the amount of energy gained from the nectar, coyote - chasing mice to the energy gained from catching one, energy expended in migration of birds to a location with seasonal abundance compared to energy gained by staying in a cold climate with limited food).
Research food production in various parts of the world (e.g., industrialized societies’ greater use of fossil fuel in food production, human health related to food product).