Which organisms obtain energy from dead or decaying matter? Choose two correct answers.
The size of a food chain can vary, but the number of levels that a food chain can reach is limited. Why does this limit exist?
In an ecosystem, a deer consumes grass. What percentage of energy will the deer acquire from the grass?
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Which of these is a heterotroph?
Which of these is a producer?
Which process is used by most producers to turn sunlight into food energy?
Maggots get their energy by breaking down dead and decaying animals. What are maggots?
Nida draws a diagram with insects, birds, and mice. She shows the mice eating grass; hawks, snakes, and toads eating the insects; and foxes, hawks, and snakes eating the birds and mice. The snakes are also eating the toads. Which best describes the diagram?
In order to support all of the organisms in an ecosystem, which should have the greatest amount of biomass?
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