Levels of Organization of Living Things

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Levels of Organization of Living Things by Mind Map: Levels of Organization of Living Things

1. Atoms

1.1. Atoms can join together to create molecules.

1.2. Composed of particles of protons.

1.3. Same numbers of electrons and protons.

2. Molecule

2.1. An electrically neutral group of two or more atoms.

2.2. Examples include; water, oxygen, and carbon dioxide

2.3. Makes up solids, liquids, and gasses.

3. Macromolecule

3.1. Very large molecule

3.2. Examples include; carbohydrates and protein

3.3. Made up of thousands of atoms

4. Organelles

4.1. Specialized cellular structure

4.2. Not in bacterial sells

4.3. Nucleus, mitochondrion, the chloroplast, the Golgi apparatus, the lysosome, and the endoplasmic reticulum, are all organelles

5. Tissues

5.1. Cellular organizational level between cells and a complete organ

5.2. Organs are then formed by the functional grouping together of multiple tissues.

5.3. Examples include; muscle, epithelial, connective and nervous.

6. Organs

6.1. 5 main organs: heart, lungs, liver and kidneys.

6.2. Vital for survival

6.3. Organs can be donated to help other people

7. Organ System

7.1. 11 major organ systems

7.2. They all depend on each other

7.3. Examples include; integumentary, muscular, skeletal, nervous, circulatory, lymphatic, respiratory, endocrine, urinary/excretory, reproductive and digestive

8. Organism

8.1. Can be made up of just one cell

8.2. An organism is anything live. That includes plants, animals, humans etc.

8.3. Synonym for 'life form'

9. Cells

9.1. Smallest unit of life

9.2. Often called the building blocks of life

9.3. 100 trillion cells in the adult body