1. proteins
2. essential
3. nonessential
hope this helps!!
The answer is Walter Hess
Hess manipulated the diancephalon of the brain of cats by inserting metal rods in the hypothalamus regions of the brain, where the diencephalon is located, and passing electrical current through the rods to the brain region. He noticed that the cats, among other complex behavioral changes, would curl up and sleep.
Look at the photo for reference if you still need help unless you haven’t gotten it yet.
The answer is false.
The variability in marine salinity between habitats does impact the fish living there.
I hope this helps.
