Dormancy

An apple tree and its neighboring pear tree stop growing because winter is starting to freeze the water.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The temperature is getting lower, so a groundhog slows down his breathing and heart rate to save energy.

What animals hibernate?

• bears, bats, snakes

• some birds, whales, butterflies

• none of the above

What do these animals do in the winter?

• hibernate

• migrate

• play

Why do animals hibernate?

• They are tired

• They want to move to a warmer place

• To help them survive the winter

What is dormancy in plants?

• A period of active growth

• A period of suspended growth

• A period of flowering

• A period of fruiting

Tags

NGSS.MS-LS2-1

Which of the following is a characteristic of dormancy in animals?

• Increased metabolic rate

• Decreased metabolic rate

• Increased physical activity

• Increased food consumption

Why do some seeds undergo dormancy?

• To germinate immediately

• To avoid unfavorable conditions

• To increase water absorption

• To enhance photosynthesis

Which hormone is primarily responsible for inducing dormancy in plants?

• Auxin

• Gibberellin

• Abscisic acid

• Cytokinin

What is the main purpose of dormancy in perennial plants?

• To conserve energy during unfavorable conditions

• To increase growth rate

• To enhance flowering

• To attract pollinators