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Seasonal Changes in the Northern and Southern Hemispheres

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Seasonal Changes in the Northern and Southern Hemispheres

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Questions and Answers

Why do the northern and southern hemispheres experience different seasons?

Because of the Earth's rotation on its axis

Due to the Earth's tilted axis (correct)

Because of the varying distance from the sun

Due to the difference in atmospheric pressure

What happens to surface waters when the land and air mass cools during winter?

They become warmer

They turn to ice (correct)

They remain unchanged

They evaporate quickly

How do some plants respond to the harsh conditions of winter?

By migrating to warmer places

By dropping seeds that will germinate in spring (correct)

By entering a period of dormancy

By building underground burrows

What is the primary purpose of hibernation in animals?

To conserve energy and avoid starving Signup and view all the answers

What is the main difference between hibernation and torpor?

Hibernation is longer-term, while torpor is shorter-term Signup and view all the answers

Which of the following is an example of an animal that undergoes torpor?

All of the above Signup and view all the answers

What is dormancy a general term for?

Any strategy of reduced metabolism Signup and view all the answers

What is the primary reason behind Bergmann's rule?

Evolutionary adaptation to colder climates Signup and view all the answers

According to Allen's rule, what is the characteristic of limbs, ears, and other appendages in warm-blooded animal species living in cold climates?

They are shorter and more compact Signup and view all the answers

What is the main difference between animals with smaller and larger surface area to volume ratios?

Their body temperature regulation Signup and view all the answers

What is the term for the winter sluggishness of poikilotherms?

Brumation Signup and view all the answers

What is the primary advantage of having shorter and more compact body parts in cold climates?

Reduced body heat radiation Signup and view all the answers