Environmental Effects

As winter gets closer there are cooler temperatures and less sunlight during the day. As a result, trees -

• grow taller

• lose leaves

• grow leaves

• get shorter

Canadian Geese and many other birds migrate to different climates when -

• the wind blows harder

• temperatures get cooler

• the flowers begin to bloom

• rain clouds fill the sky

A flower growing in a pot changed after two weeks. The plant most likely changed because it needed more -

• insects

• noise

• darkness

• water

Some animals hibernate in winter. This behavior is a response to all of the following EXCEPT -

• fewer clouds that make rain

• shorter periods of daylight

• less available food sources

• cooler temperatures

Which of the following natural events would promote the growth of new plants?

• Snow falling on the ground

• Long periods of darkness

• Rain and warm temperatures

• A very strong earthquake

A long period of deep sleep

• Environment

• Dormancy

• Migration

• Hibernation

The movement of animals from one place to another

• Environment

• Dormancy

• Migration

• Hibernation

All the living and nonliving factors around an organism

• Environment

• Dormancy

• Migration

• Hibernation

A resting period

• Environment

• Dormancy

• Migration

• Hibernation

A measure of how hot or cold something is

• Temperature

• Precipitation

• Environment

• Behavior