I believe the answer you are looking for has to do with cells, they are the basic building block of life and are the smallest life that can support itself.
Because the gravity of the sun keeps all planets in their orbits :3 hope I helped
An absorptive heterotroph is an organism which secretes enzymes externally into its environment to digest organic materials which are then absorbed.
Answer:
herbivores (plant-eaters)
Explanation:
They eat primary foods like plants