Front

What is environmental variation?

Back

Variation caused by environmental factors, such as hairstyle and accent.

Front

What are daily changes in the environment?

Back

Environmental changes that occur during the day.

Front

What are seasonal changes in the environment?

Back

Environmental changes that occur during the year.

Front

What does nocturnal mean?

Back

Animals that are only active at night.

Front

What are some adaptations of nocturnal animals?

Back

Excellent eyesight and, in the case of nocturnal owls, superb hearing and the ability to fly.

Front

What does deciduous mean?

Back

Trees that lose their leaves in winter to stop water loss.

Front

What does evergreen mean?

Back

Trees with tougher leaves that don’t lose much water, so they keep them all year.

Front

What is hibernation?

Back

Organisms become inactive in winter so they don’t need food.

Front

What is an example of migration?

Back

Birds flying to warmer places for winter to find food.