Thermoregulation in Animals: Ectotherm vs Endotherm

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What happens in brown adipose tissues in some hibernating mammals and human babies?

Subcutaneous fat develops

Fur thickness increases

Hibernation occurs

Metabolic heat production increases (correct)

Why do smaller mammals like squirrels not have thick fur?

To move quickly

To stay cool in the summer

Because it impedes their movement (correct)

To conserve energy

What do some animals like penguins and honeybees do to keep warm?

Huddle together (correct)

Migrate to warmer climates

Increase their metabolic rates

Develop thick fur

What is special about the hairs of bumblebees?

They act as insulation Signup and view all the answers

What is the difference between endotherms and ectotherms in terms of heat production?

Endotherms produce more metabolic heat Signup and view all the answers

What do grasshoppers do to warm their body?

They bask in the sun Signup and view all the answers

Why do birds cover their feet with feathers?

For external insulation Signup and view all the answers

What do aquatic animals like whales and seals have for internal insulation?

A thick layer of fat Signup and view all the answers

What do some animals do to prevent excessive heat loss at appendages?

Not specified in the text Signup and view all the answers

What do larger mammals like polar bears do to keep warm?

Increase their fur thickness Signup and view all the answers

Thermoregulation in Animals: Ectotherm vs Endotherm

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Questions and Answers

What happens in brown adipose tissues in some hibernating mammals and human babies?

Why do smaller mammals like squirrels not have thick fur?

What do some animals like penguins and honeybees do to keep warm?

What is special about the hairs of bumblebees?

What is the difference between endotherms and ectotherms in terms of heat production?

What do grasshoppers do to warm their body?

Why do birds cover their feet with feathers?

What do aquatic animals like whales and seals have for internal insulation?

What do some animals do to prevent excessive heat loss at appendages?

What do larger mammals like polar bears do to keep warm?

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