Migration
This vocabulary word means moving from one place to another to stay alive.
Migration
This word describes a deep sleep or rest that helps animals survive the cold winter.
Hibernation
This is a "state of rest" that helps plants survive environmental changes.
Dormancy
This term describes all the living and nonliving things in an area.
Environment
These orange and black insects travel thousands of miles to Mexico every fall.
Monarch Butterflies
During hibernation, an animal's heart rate and breathing do this to save energy.
slow down
Broad-leaf trees do this in the fall to keep water inside and stay alive.
drop their leaves
This environmental change (lower ___________) is a main trigger for hibernation and dormancy.
Temperature
Monarch butterflies do this in large groups at night to stay warm during their trip.
Huddling
If you touched a hibernating hedgehog, its body would feel like this.
cold
This underground plant part stays dormant in the winter and grows into a flower in spring.
bulb
When the days get shorter and there is less of this, plants know winter is coming.
sunlight
This bird must leave northern lakes when they turn to ice so it can find liquid water.
Common Loon
Name two animals from the book that hibernate.
Groundhogs and Wood Frogs
This can be very dangerous for a plant because it freezes the water inside its stems.
ice
This behavior is a response to a "drought," which means there is very little of this.
rain (or precipitation)
In the grasslands, elephants might migrate to find these two things during a drought.
water and grass
True or False: Animals "decide" or "choose" when it is time to start hibernating.
False
According to Sasha on page 291, trees in winter do not die; instead, they stop their __________ and slow down to save energy.
Growth
True or False: A dormant tree is dead because it has no leaves.
False