The only consumables that is not digested and is immediately absorbed, would be water, it is nothing but a polar compound that does not yield as much energy as all of the other molecules.
Answer:
C
Explanation:
Population is the number of simular species in the area, so the land and fish don't count.
They are all part of the digestive system, they all break down food, they all have enzymes
2) It is specialized since it must live on its own and sustain itself instead of a multicellular organism (that is sustained by many cells) it must contain all elements to survive eg mitochondria for ATP or a flagella to move
You get to travel around the world and save up to buy something you really want.
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