Science

Some animals hibernate to save their energy during times of the year when there is little food available. In which season does this usually occur?

• fall

• Summer

• Winter

How do the roots help a plant meet its basic needs?

• use sunlight to make food

• carry water and provide support

• collect water and nutrients

If a plant's roots are long and deep, what can be inferred?

• It's environment is rich in surface water.

• Water is far below the ground.

• Its environment is shady.

Explain the role of a plant's stem.

• The stem collects sunlight and provides support.

• The stem gathers and carries water inside the plant.

• The stem supports the plant and carries water.

During winter, many trees save their energy for the coming spring. What is this process called?

• dormancy

• Hibernation

• Migration

Some birds travel south to warmer areas before winter and return in the spring. What is this called?

• Hibernation

• Dormancy

• Migration

Many animals lay their eggs in the springtime because the __________ is helpful for their survival.

• Temperature

• precipitation

• Wind

What is the first stage of life for insects?

• Pupa

• egg

• Larva

How does a bear use its claws to meet its basic needs?

• bears use their claws for making a den.

• Water can be stored in the bear's claws.

• Claws help a bear dig for food and catch fish.

What is NOT a basic need of birds?

• food

• soil

• shelter