Answer:
Electron, Atom, Element, Molecule, Macromolecule, Cell, Tissue, Organ, Organ Systems, Organism
Explanation:
approximately 10%
explanation
Transfer of energy through an ecosystem. At each trophic level only a small proportion of energy (approximately 10 percent) is transferred to the next level
Answer:it is a process that is not needed if the organism eats energy-rich food directly.
Explanation:that is untrue.
hope my answer helped I tried<3