Podcast
Questions and Answers
Why does the mother mouse not gain weight despite needing to eat enough food for four times her body weight?
Why does the mother mouse not gain weight despite needing to eat enough food for four times her body weight?
- Most of the ingested energy is transferred as potential energy to the young in the breast milk. (correct)
- The mother mouse has a genetic mutation that inhibits weight gain during lactation.
- The mother mouse loses weight due to increased physical activity in caring for the litter.
- The mother mouse has a very high metabolism that prevents weight gain.
What is the purpose of sweating in mammals like humans?
What is the purpose of sweating in mammals like humans?
- To decrease heat loss
- To regulate body temperature (correct)
- To produce more body fat
- To increase body temperature
How does evaporative heat loss occur in mammals?
How does evaporative heat loss occur in mammals?
- Through decreased metabolism
- Through increased intake of food
- Through reduced sweating
- Through evaporation of sweat from the body surface (correct)
What is the main function of glandular secretions like sweat in mammals?
What is the main function of glandular secretions like sweat in mammals?
Why can humans survive in a sauna at high temperatures?
Why can humans survive in a sauna at high temperatures?
How does the total weight of newborn mice at weaning compare to the mother's weight?
How does the total weight of newborn mice at weaning compare to the mother's weight?
What is the main function of silk glands in invertebrates?
What is the main function of silk glands in invertebrates?
Why is there little commercial use of spider silk compared to silk moth silk?
Why is there little commercial use of spider silk compared to silk moth silk?
What is a characteristic feature of spiders' ability to capture prey with webs?
What is a characteristic feature of spiders' ability to capture prey with webs?
Which spider species mentioned in the text does not rely on web-making to capture prey?
Which spider species mentioned in the text does not rely on web-making to capture prey?
What is the primary purpose of glands with high secretory activity in animals?
What is the primary purpose of glands with high secretory activity in animals?
How does the energy expenditure of a nursing mother compare to that of a long-distance runner according to the text?
How does the energy expenditure of a nursing mother compare to that of a long-distance runner according to the text?
