Energy Flow in Ecosystems Answers

Which kind of organism is an autotroph?

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?

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

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

What might happen to the organisms in the food web below if the number of phytoplankton and vegetation drastically decreased?

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?

Which organisms are heterotrophs?

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

Why are mushrooms important to the food chain?

What is shown in the image below?

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

Which is the primary consumer in this food chain?

What might happen to the organisms in the food web below if the number of phytoplankton and vegetation drastically decreased?

Which is an interconnection of food chains in an ecosystem?

Which process do plants use to turn sunlight into food energy?

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

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

Which kind of organism is an autotroph?

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?