Unit 3: Lesson 2: How Do Organisms Use Matter and Energy?

What do all animals need for growth?

• oxygen, water, and food

• oxygen, sunlight, and food

• carbon dioxide, food, and water

• carbon dioxide, nutrients, and sunlight

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The diagram shows some organisms that live in a grassland environment.

Which of these describes the organisms shown?

• producer: the sun

  consumer: antelope, baboon, lion

• producer: tree, grass

  consumer: antelope, baboon, lion

• producer: antelope

  consumer: baboon, lion

• producer: soil

  consumer: tree, grass, antelope, baboon, lion

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What is the original source of energy used to make the food these sheep are eating?

• air

• water

• grass

• sun

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Which animal can regenerate or regrow body parts?

• dog

• human

• starfish

• tiger

Which of the following do you think an animal can live without?

• air

• water

• food

• none of the above

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What happens to materials that are taken in but not used by the body?

• They are changed into materials that are needed.

• They are stored forever in the body.

• They are released into the environment as waste.

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This picture shows a food chain that can be found in a prairie.

How is the plant different from the snake?

• The plant is a consumer and the snake is a producer.

• The plant is an herbivore and the snake is a carnivore.

• The plant is a producer and the snake is a consumer.

• The plant is a carnivore and the snake is an herbivore.

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Which organism is a producer?

• a tree

• a wolf

• a horse

• a grasshopper

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All living things need certain things to live and grow. Which of these things do all living things need to survive?

• blood

• energy

• sunlight

• carbon dioxide

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In a food chain, there are producers, consumers, and decomposers.

What is the role of a producer in a food chain?

• to eat plants

• to make food

• to eat other living things

• to break down dead things

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