Levels of Organization

Front

Organism

Back

Living things performing life processes by itself

Front

Tissue

Back

Group of cells that perform a job

Front

Organ systems

Back

A group of organs working together to perform a function

Front

Organ

Back

Two or more tissues working together to perform a function

Front

Cells

Back

The basic unit of life

Front

Connective tissue, nervous tissue, muscle tissue, epithelial tissue

Back

Tissue

Front

Example: blood cells, skin cells, muscle cells

Back

Cells

Front

Example: digestive system, respiratory system, cardiovascular system

Back

Organ System

Front

Classify: human, dog, cat, all living things. Options: Cells, Tissue, Organ, Organ System, Organism

Back

Organism

Front

Classify: heart, stomach, brain, lungs

Back

Organ