Ecosystems Unit Assessment

A _______ is an illustration that shows how energy is passed from one living things to another.

• food chain

• consumer

• producer

• herbivore

Green plants can make food in their leaves. A living thing that can make food with energy from the sun is called a ______.

• consumer

• decomposer

• producer

• omnivore

Animals get their energy by eating plants and animals. A living thing that needs to eat to obtain energy is called a _________.

• consumer

• decomposer

• producer

• food chain

Mushrooms cannot make their own food and they do not eat food. Instead, they get their energy by breaking down and absorbing dead organic matter. These types of living things are called _____________.

• producer

• consumer

• decomposer

• herbivore

A leopard seal eats fish and penguins. It never eats plants. Since the leopard seal eats only meat, it is a ______________.

• producer

• decomposer

• carnivore

• omnivore

A deer eats grass and plants found in its habitat. Since the deer eats only plants, it is a _____________.

• producer

• herbivore

• carnivore

• omnivore

A raccoon eats other animals like crayfish, as well as plant life. Since the raccoon eats plants and animals it is an __________________.

• producer

• herbivore

• omnivore

• carnivore

How do decomposers help to keep an ecosystem balanced?

• They eat producers

• They are food for consumers

• They return nutrients to the soil

• They make food through photosynthesis

The sun is a major source of energy in almost all ecosystems?

• true

• false

Plants are producers, what do they produce that animals need to survive?

• Food 
• Oxygen
• Both Food and Oxygen
• Neither