Food Chains

Multiple Choice

Which of the following is NOT a key component of an ecosystem?

• Producer

• Consumer

• Decomposer

• Predator

Multiple Choice

What is the main purpose of a food chain?

• To show how energy is transferred from one organism to another

• To show how animals migrate

• To show how plants grow

• To show how weather changes

Multiple Choice

In the example food chain shown, which organism is eaten by the snake?

• Grasshopper

• Plant

• Frog

• Owl

Multiple Select

Which of the following organisms are producers in a food chain?

• Grass

• Algae

• Rabbit

• Trees

Multiple Choice

Which of the following is a tertiary (top predator) consumer in a food chain?

• Rabbit

• Grass

• Hawk

• Algae

Fill in the Blanks

Decomposers return nutrients to the

by breaking down dead organisms.

Multiple Choice

Which level in the food chain receives the least amount of energy, and why?

• Producer, because it is at the bottom of the food chain

• Primary Consumer, because it eats producers

• Tertiary Consumer, because energy is lost at each level

• Secondary Consumer, because it is in the middle

Multiple Select

Which of the following are examples of human activities that can disrupt food chains?

• Pollution

• Deforestation

• Photosynthesis

• Poaching

Multiple Choice

Which of the following best describes the flow of energy in a food chain?

• Energy flows from one organism to the next.

• Energy flows in a circular pattern among all organisms.

• Energy is only transferred from consumers to producers.

• Energy remains constant at each step of the food chain.

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​Your turn.

Create a food chain. You must have the following organisms: producer, consumer, top predator.