Science Quiz 3

A ___________is something that causes a reaction in a living thing.

• behavior

• stimulus

• instinct

• environment

The plural form of "stimulus" is_________.

• stimuluses

• stimulus

• stimuli

• stimulos

The movement between habitats is called _________?

• instinct

• migration

• protection

• hibernation

The state of preventing someone or something from suffering harm or injury.

• protection

• migration

• hibernation

• adoption

The state of inactivity that occurs when outside temperatures are cold.

• migration

• protection

• hibernation

• instinct

All the living and nonliving things in an environment and the many ways they interact is called_______.

• adaptations

• hibernation

• protection

• ecosystem

This is a cold region. The ground beneath the surface is frozen all year. Some grasses can grow, but trees cannot.

• Rain forests

• Desert

• Grassland

• Tundra

This is the driest ecosystem. Some plants and animals have adapted to the limited water supply.

• Tundra

• Rain forests

• Desert

• Grassland

In this ecosystem, the ground is covered with water for at least part of the year.

• Rain forests

• Desert

• Tundra

• Wetlands

Insects, raccoons, and alligators are animals that can be found in ______________.

• Deserts

• Rain forests

• Wetlands

• Tundra