Chapter 4 Interactions in Ecosystems B

Multiple Choice

Why are producers important in an ecosystem?

• They provide energy for all other organisms by making their own food.

• They consume other organisms for energy.

• They decompose dead matter.

• They only exist in water environments.

Multiple Choice

Which type of consumer feeds on both producers and consumers?

• Herbivores

• Carnivores

• Omnivores

• Scavengers

Multiple Select

Which of the following organisms are scavengers?

• Vulture

• Bee

• Hyena

• Fly

Fill in the Blanks

Decomposers recycle nutrients by breaking down

organic matter.

Multiple Choice

Which of the following is an example of mutualism?

• A tick feeding on a dog

• A bee pollinating a flower

• A vulture eating carrion

• A remora fish riding a shark

Multiple Choice

What is the main difference between phototrophic and chemotrophic producers?

• Phototrophic producers use sunlight for photosynthesis, while chemotrophic producers use chemicals for chemosynthesis.

• Phototrophic producers live in the ocean, while chemotrophic producers live on land.

• Phototrophic producers are animals, while chemotrophic producers are plants.

• Phototrophic producers use oxygen, while chemotrophic producers use carbon dioxide.