Unit 4 Levels of Organization and Classification

The basic unit of life

• Cell

• Tissue

• Organ

• Organ System

A group of cells working together to perform a certain function (job) for an organism

• Tissue

• Cell

• Organ

• Organ System

A group of different tissues working together to perform a certain function in an organism

• Organ

• Organ System

• Organism

• Cell

A group of organs working together to perform a certain function in an organism

• Organ System

• Organism

• Organ

• Tissue

A living thing

• Organism

• Organ System

• Organ

• Tissue

The arrangement of tissues, organs, or other parts of an organism

• Structure

• Function

• Multicellular

• Organ System

The job that a body part does for an organism

• Function

• Structure

• Organism

• All of These

Organism made of more than one cell

• Multicellular

• Unicellular

• Nucleus

• Structure

Organism made of a single cell

• Unicellular

• Multicellular

• Nucleus

• Organelle

A type of cell without a nucleus

• Prokaryote

• Eukaryote

• Tissue

• Organ