Comprehension Survival at 40 Below

Why do so many plants and animals go under the snow in the Arctic?

• The snow gets really deep.

• It is not so cold there.

• The ground is cracked.

• There are too many bushes.

Which sentence from the selection tells you why plants and animals go under the snow in the Arctic?

• It is much warmer under the snow layer than in the open air.

• Snowshoe hares and ptarmigan zigzag between the willow bushes.

• Inch by inch, the layer of snow deepens with each winter storm.

• Thick pond ice cracks and makes eerie sounds.

How long is the Arctic winter?

• three mmomnths

• six momnths

• eight months

• ten months

What is duff in this selection?

• thick fur

• layers of fat on some animals

• leaves on the forest floor

• a layer of frozen water

What does a chickadee eat in the winter?

• almost nothing at all

• bugs that are called flits

• dense and fluffy feathers

• food that has been cached.

Where do Dall sheep prefer to live?

• near rivers

• in mountains

• on frozen prairies

• areas without plants

Which of these activities does the arctic ground squirrel do first when hibernating?

• supercools body

• heart rate drops

• brain activity ceases

• curls up in a burrow

Why do the caribou avoid the burned area?

• The caribou only like cold places

• The ground is still hot

• the caribou can smell the burned area from the fire and know there is no food there.

Why do musk oxen gather in a circle?

• to protect each other from prey and to stay warm.

• because they like the smell of each other.

• because they love each other very much.

What is a frogscicle in the selection?

• a great tasting dessert the author loves to eat

• a frog using insulation to hibernate for the winter

• a yummy food the predators love to eat