Energy Flow in Ecosystems

Question 1

Which organism is a carnivore?

Revolt · Accepted Answer

lion

Question 2

Which statement explains the most realistic way to model energy flow in an ecosystem?

Revolt · Accepted Answer

A food web is most realistic because many organisms eat a variety of foods, and energy moves through different pathways.

Question 3

A meadow food chain is shown.

Revolt · Accepted Answer

secondary consumer

Question 4

An ocean food web is shown.

Revolt · Accepted Answer

kelp

Question 5

When moving upward on an energy pyramid from one level to the next, what happens to the usable energy in an ecosystem?

Revolt · Accepted Answer

It decreases by about 90%.

Question 6

Study the diagram of a desert food chain.

Revolt · Accepted Answer

The number of cactus plants would increase.

Question 7

Rosa has a vegetable garden. She places earthworms, which are decomposers, in the garden soil.What is Rosa most likely trying to do?

Revolt · Accepted Answer

enrich the soil with nutrients

Question 8

In a rainforest food chain, caterpillars and butterflies eat orchid plants. Toucans eat the caterpillars and butterflies. Leopards eat the toucans.Which statement describes the energy in this food chain?

Revolt · Accepted Answer

The caterpillars gain energy directly from the orchids.

Question 9

Which statements describe the energy in a food web? Select three options.

Energy Flow in Ecosystems Answers

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