Producers & Consumers
Food Chains & Webs
Energy Flow
Ecosystem Balance
Decomposers & Adaptations
100

What is a producer?

An organism that makes its own food using sunlight.

100

What does a food chain show?

How energy moves from one organism to another.

100

Where does almost all energy on Earth come from?

The Sun

100

What is an ecosystem?

A community of living and nonliving things interacting together.

100

What do decomposers do?

Break down dead plants and animals.

200

Give one example of a producer

Grass, trees, or algae.

200

What does a food chain show?

How energy moves from one organism to another.

200

What happens to energy as it moves through a food chain?

It decreases.

200

What happens if a predator disappears from an ecosystem?

Prey populations may increase too much.

200

Give an example of a decomposer.

Worms, fungi, or bacteria.

300

What is a consumer?

An organism that eats other organisms for energy.

300

What connects all food chains together?

A food web

300

Which organisms get energy directly from the Sun?

Producers.

300

How can humans help keep ecosystems balanced?

How can humans help keep ecosystems balanced?

300

Why are decomposers important?

They return nutrients to the soil.

400

What is the difference between an herbivore and a carnivore?

Herbivores eat plants; carnivores eat meat.

400

What would happen if all the plants in a food web disappeared?

Animals that eat plants would have no food.

400

What do we call animals that eat both plants and other animals?

Omnivores.

400

What might happen if an invasive species enters an ecosystem?

It can outcompete native species.

400

What is an adaptation?

A feature that helps an organism survive in its environment.

500

What type of consumer is a human?

An omnivore.

500

What do the arrows in a food chain represent?

The direction energy flows.

500

Why is energy important in an ecosystem?



It allows all living things to grow, move, and survive.

500

Why is biodiversity important?

It helps ecosystems stay healthy and stable.

500

Name one animal and a special adaptation it has.

Example: A frog has sticky feet for jumping and catching prey.

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