Podcast
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?
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?
What do grasshoppers do to warm their body?
What do grasshoppers do to warm their body?
Why do birds cover their feet with feathers?
Why do birds cover their feet with feathers?
What do aquatic animals like whales and seals have for internal insulation?
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 some animals do to prevent excessive heat loss at appendages?
What do larger mammals like polar bears do to keep warm?
What do larger mammals like polar bears do to keep warm?