Atom
Molecule
Organelle
Cell
Tissue
Organ
Organ system
Organism
Answer:18 kcal
Explanation:
Law of ecological pyramid - the production of organisms of each subsequent trophic level is always on average up to 10 times less than the production of the previous one
1800/10=180
180/10=18
Answer:
Increase
Explanation:
It helps you to se better.