1. atom
1.1. smallest constituent unit of matter
1.1.1. Can form together
1.1.1.1. composed of protons,neutrons,and electrons
2. macromolecule
2.1. larger than a molecule
2.1.1. made of thousands of atoms
2.1.1.1. They can form carbohydrate
3. cells
3.1. they are the smallest unit of life
3.1.1. They contain a lot of biomolecules
3.1.1.1. They are also the basic builing blocks of life
4. organs
4.1. collections of tissue
4.1.1. these tissues have the same function as other tissues in the organs
4.1.1.1. there are five vital organs
5. organism
5.1. can be multicellular
5.1.1. and also can be uncellular
5.1.1.1. they can reproduce and grow
6. organelles
6.1. make protein
6.1.1. they can be a nucleaus
6.1.1.1. they do bot have any bacterial cells in them
7. tissues
7.1. they are an esemble of similar cells
7.1.1. they have a specific function
7.1.1.1. the cells are in the same origin
8. organsystem
8.1. it is a group of organs
8.1.1. they are made up of certain tissue
8.1.1.1. there are 11 organsytems
9. molecules
9.1. there support that holds them up or keeps them together is chemical bonds
9.1.1. Molecule make up solids,liquid,and gasses which include different salt,sugar,water ice,dry ice,glass,rock,metalsand wood
9.1.1.1. The electrical group has two atoms