Ecosystem Basics
Roles in the Web
Energy Flow
Structural Adaptations
Behavioral Adaptations
100

This term describes all the living and non-living things in an environment interacting together.

An ecosystem

100

A forest has an unusually large amount of rain, leading to more grass than the deer can eat.

Overabundance

100

All members of one species make up a ____, while all species together make up a ____.

a population and a community

100

Because they use sunlight to make their own food, green plants and algae are known as this.

Producers

100

This type of consumer only eats plants.

Herbivore

200

Without these organisms, dead plants and animals would not disappear.

Decomposers

200

In a food web, what does the arrow represent?

Flow of energy

200

A large fish eats a smaller fish. The smaller fish

is the ____.

Prey

200

If predators disappear, what happens to the prey population?

The population increases

200

A physical trait that helps an animal blend in.

Camoflauge

300

Sharp spines or shells help an animal avoid being eaten. This is for ____.

Protection

300

A harmless animal looks like a dangerous one.

Mimicry

300

Animals moving to warmer places during winter.

Migration

300

Animals entering a deep sleep during winter.

Hibernation

300

After a forest fire, name two ways animals survive.

Move to a new environment or adapt.

400

Where does the energy for the first organism in a food chain come from?

The Sun