In ancient times, people classified plants and animals by use. Like for plants they are being classified as beneficial or harmful. While for animals, they are classified as domestic animals, wild animals, creeping animals, flying animals, and sea animals.
Answer:
To turn sugars into energy
Explanation:

- Mitochondria are main sites of aerobic respiration. They are miniature biochemical factories where food stuffs are completely oxidised to carbon dioxide and water.
- The energy (ATP) produced in the mitochondria helps to perform various energy requiring processes.
- Because of the formation of ATP in mitochondria it is called power house of the cell.

- Photosynthesis: Light reaction (in thylakoids), Dark reaction (in stroma).
- Storage of starch.
there are already many japanese plants, so not the iris. I don't see any water features here and I have no idea what a fence will do. Also I don't see a reason for a spirit gate, so the answer should be a water feature.
The cell membrane is made up of a phospholipids that are arranged into two layers which are called lipid bilayer.
C. F1 generation is all Yy (let Y be yellow and y be green). Y is dominant to y. The F2 could be YY, Yy, Yy, or yy. 3:1