12 Questions
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.
What is the purpose of sweating in mammals like humans?
To regulate body temperature
How does evaporative heat loss occur in mammals?
Through evaporation of sweat from the body surface
What is the main function of glandular secretions like sweat in mammals?
To regulate body temperature
Why can humans survive in a sauna at high temperatures?
Thanks to sweating and evaporative cooling
How does the total weight of newborn mice at weaning compare to the mother's weight?
Four times the mother's weight
What is the main function of silk glands in invertebrates?
To produce protective cocoons
Why is there little commercial use of spider silk compared to silk moth silk?
There are difficulties in harvesting spider silk
What is a characteristic feature of spiders' ability to capture prey with webs?
They detect prey through vibrations on the web
Which spider species mentioned in the text does not rely on web-making to capture prey?
Tarantula spider
What is the primary purpose of glands with high secretory activity in animals?
To support lactation and milk production
How does the energy expenditure of a nursing mother compare to that of a long-distance runner according to the text?
$10$ times higher
Explore the world of invertebrate silk glands with this quiz. Learn about the production of silk threads by insects and spiders, and how silk is used commercially for fabric production.
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