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Questions and Answers
What happens in brown adipose tissues in some hibernating mammals and human babies?
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?
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?
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?
What is special about the hairs of bumblebees?
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What is the difference between endotherms and ectotherms in terms of heat production?
What is the difference between endotherms and ectotherms in terms of heat production?
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What do grasshoppers do to warm their body?
What do grasshoppers do to warm their body?
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Why do birds cover their feet with feathers?
Why do birds cover their feet with feathers?
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What do aquatic animals like whales and seals have for internal insulation?
What do aquatic animals like whales and seals have for internal insulation?
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What do some animals do to prevent excessive heat loss at appendages?
What do some animals do to prevent excessive heat loss at appendages?
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What do larger mammals like polar bears do to keep warm?
What do larger mammals like polar bears do to keep warm?
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