8. When body temperature drops below the normal set point, the body tries to maintain homeostasis of body temperature by )

constricting dermal blood vessels

inactivating sweat glands

Shivering

all of the above

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

How does the nervous system affect the excretory system?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots