Put the vocabulary words in order from largest level of organization to smallest. Reorder answers 1. Population Reorder answers 2. Organism Reorder answers 3. Organ Reorder answers 4. Atom Reorder answers 5. Biosphere Reorder answers 6. Species Reorder answers 7. Organ system Reorder answers 8. Community Reorder answers 9. Cell Reorder answers 10. Ecosystem Reorder answers 11. Organelle Reorder answers 12. Tissue Reorder answers 13. Molecule

The level of organization in order from largest to smallest is;

1. Biosphere

2. Ecosystem

3. Community

4. Population

5. Species

6. Organism

7. Organ system

8. Organ

9. Tissue

10. Cell

11. Organelle

12. Molecule

13. Atom

Explanation:

All living things on Earth are arranged in an hierarchical level of organization. The order in descending way is as follows:

1. Biosphere- Biosphere refers to the part of the Earth that constitutes all living organisms in interaction with their environment. It is the total of all ecosystems on Earth.

2. Ecosystem: Ecosystem refers to a group of living organisms i.e plant, animal and microbes interacting with each other and their abiotic environment e.g water, air etc. An ecosystem comprises of several communities.

3. Community- Community refers to a group of organisms interacting with each other at a particular time and habitat. A community is made up of two or more populations.

4. Population- Population refers to a group of organisms of the same species living together in the same habitat and capable of interbreeding.

5. Species- A species is a group of organisms usually with the same appearance and capable of producing fertile offsprings by interbreeding.

6. Organism- An organism is an individual living thing i.e. plant, animal, microbe. An organism is made up of several organ systems that work together to make it whole.

7. Organ system- Organ system refers to a group of organs working in an interconnected manner to perform certain functions in an organism.

8. Organ- An organ is a structure in an organism that performs a specific function.

9. Tissue- A tissue is a group of cells working together for the same purpose.

10. Cell- A cell is the basic and fundamental unit of life, which is the building block of all living organisms.

11. Organelles- An organelle is a specialized structure in a cell that performs specific functions. e.g. nucleus, mitochondria etc.

12. Molecule- A molecule is the smallest unit of a chemical compound responsible for the chemical identity of that compound. A molecule is made up of two or more atoms chemically bonded together.

13. Atom- An atom is smallest indivisible unit of mattter that partakes in chemical reactions. Atom is considered the smallest unit of matter.