Energy Flow in Ecosystems Answers

Food chains show energy transfer between organisms. The size of a food chain can vary, yet there is a limit to the number of levels that a food chain can reach. Why is there a limit to the number of levels that a food chain can reach?

Why are mushrooms important to the food chain?

Which organism is a primary consumer in the food web below?

Which is the primary consumer in this food chain?

Which kind of organism is an autotroph?

From the producer level to which level does energy flow directly?

In the food chain below, which is the producer?grass mouse snake hawk

Which is an interconnection of food chains in an ecosystem?

Maggots feed on dead and decaying organisms for energy. What are maggots?

A diagram illustrates that grass is eaten by insects, birds, and mice. The insects are eaten by hawks, snakes, and toads. The birds and mice are eaten by foxes, hawks, and snakes. The toad is also eaten by the snake. Which best describes the diagram?