Producers
Consumers
Energy Flow
Predators & Prey
Ecosystem Facts


100

Organisms that make their own food using sunlight are called this.

What are producers?

100

Animals that eat plants are called this.

What are herbivores?

100

Energy moves in this direction in a food web.

What is one direction?

100

An animal that hunts other animals is called this.

What is a predator?

100

A community of living and nonliving things interacting together is called this.

What is an ecosystem?

200

This process allows plants to make food from sunlight.

What is photosynthesis?

200

Animals that eat other animals are called this.

What are carnivores?

200

Only about this percent of energy passes to the next level.

What is 10%?

200

An animal that is hunted is called this.

 What is prey?

200

Organisms that break down dead matter are called this.

What are decomposers

300

The main source of energy for almost all food webs on Earth.

What is the Sun?

300

Animals that eat both plants and animals.

What are omnivores?

300

Many connected food chains form this.

What is a food web?

300

If wolf populations decrease, deer populations might do this.

What is increase?

300

Fungi and bacteria are examples of this role in a food web.

What are decomposers?

400

Grass, trees, and algae are examples of this type of organism in a food web.

What are producers?

400

A rabbit that eats grass is this type of consumer.

What is a primary consumer?

400

The series of steps showing who eats whom is called this.

What is a food chain?

400

This type of predator is at the very top of the food web with no natural predators.

What is an apex predator?

400

Removing one species from a food web can cause this type of effect.

What is a chain reaction?

500

These tiny ocean producers float near the surface and feed many marine animals.

What is phytoplankton?

500

A snake that eats a mouse that ate grass is this type of consumer.

What is a secondary consumer?

500

Many connected food chains form this.

What is a food web?


500

In a forest, hawks, foxes, and snakes may compete for this same food source.

What are small rodents?

500

A species that has a very large impact on its ecosystem is called this.

What is a keystone species?