Fart lak is wrong took it on edge
There are 6 classes
-carbohydrates
-lipids(fats)
-proteins
-water
-vitamins
-minerals
The prefix is different
One is high and the other is low
Ou ou um um um um um acid reflex
One of the signs that sleep is necessary is that all living creatures are harmed by lack of sleep. Correct answer: A Sleep serves important evolutionary functions for all animals, because sleep helps animals consolidate memories and learn. Animals sleep according to how much they eat – animals that eat food with a lower caloric density sleep less than others. However, lack of sleep and if the deprivation is long enough it can kill animals.