Food Chains and Food Webs

Producers are usually the first organisms listed in a food chain. They provide energy to the other organisms in the food chain. Producers get energy from (a)   .

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NGSS.MS-LS1-6

In an ecosystem, organisms can be divided into producers and consumers. Producers are organisms that use sunlight directly to make food. Consumers are organisms that eat producers or other consumers. Which organism(s) in this food chain is a consumer?

• the whale and salmon only

• the phytoplankton only

• the whale only

• the herring, salmon, and whale

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

The picture below shows the flow of energy through a food web. Which of the following describes a path of energy flow through this food web?

• cougar → hare → wolf

• plant → hare → deer

• plant → hare → cougar

• wolf → plant → deer

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NGSS.MS-LS2-3

When an earthworm feeds upon the remains of a dead raccoon, it is acting as a _______.

• decomposer

• producer

• parasite

• predator

Decomposers are organisms that

• break down matter from dead plants and animals.

• use sunlight to produce food.

• can only be seen using a microscope.

• feed upon living organisms.

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NGSS.MS-LS2-3

A food chain is shown below. Which of the following is true about the organisms in this food chain?

• Deer and panthers are both consumers.

• Grass and deer are both consumers.

• Grass and deer are both producers.

• Deer and panthers are both producers.

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NGSS.MS-LS2-3

Which of the following is true of consumers?

• Consumers cannot make their own food.

• Some consumers can use producers as food.

• Some consumers can use other consumers as food.

• all of these

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NGSS.MS-LS2-2

Hannah is learning about food chains in her science class. Her teacher shows her pictures of the following three organisms. How could Hannah best arrange these organisms into a food chain?

• plant → rabbit → coyote

• plant → coyote → rabbit

• coyote → rabbit → plant

• rabbit → plant → coyote

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the role of the turtle in the food chain shown?

• mammal

• decomposer

• producer

• consumer

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Based on the food web below, which of the following is true?

• Some of the animals eat plants for food, and some of the animals eat other animals for food.

• The animals eat only plants for food.

• The animals eat only other animals for food.

• The animals eat neither plants nor animals for food.

Tags

NGSS.MS-LS2-2