Unit 4 Quiz

What is an ecosystem?

• A single organism living alone

• A community of organisms and the environment in which they live

• A type of weather pattern

• A large body of water

What is a herbivore?

• An animal that eats only plants

• An animal that eats only meat

• An animal that eats both plants and meat

• An animal that eats only insects

What is a carnivore?

• An animal that eats plants

• An animal that eats meat

• An animal that eats both plants and meat

• An animal that eats only fruits

What is an omnivore?

• An animal that eats only plants

• An animal that eats only meat

• An animal that eats both plants and meat

• An animal that eats only insects

What do decomposers use to break down the remains of organisms and animal wastes?

• Enzymes

• Water

• Sunlight

• Oxygen

Which of the following are primary decomposers?

• Fungi and Bacteria

• Plants and Animals

• Birds and Insects

• Fish and Reptiles

What is a scavenger?

• A plant that makes its own food.

• An animal that eats dead organisms.

• A bird that flies long distances.

• A fish that lives in freshwater.

What is a food chain?

• A circular system of organisms

• A linear system showing a succession of organisms

• A random collection of animals

• A group of plants growing together

What is a food web?

• A single food chain

• A graphical model showing many food chains linked together

• A list of animals in an ecosystem

• A map of an ecosystem

What does a food web show?

• The number of animals in an ecosystem

• The feeding relationships of organisms in an ecosystem

• The size of each animal in an ecosystem

• The types of plants in an ecosystem