Levels of Organization

Reorder the following from smallest to biggest:

• organism

• cell

• tissue

• organ system

• organ

Reorder the following from biggest to smallest:

• organisms

• biosphere

• ecosystem

• populations

• community

A living thing that is made up of organ systems.

• cell

• tissue

• organ

• organ system

• organism

2 or more different kinds of tissues that work together.

• cell

• tissue

• organ

• organ system

• organism

The smallest unit of a living thing

• cell

• tissue

• organ

• organ system

• organism

2 or more organs that work together.

• cell

• tissue

• organ

• organ system

• organism

Groups of similar cells that work together.

• cell

• tissue

• organ

• organ system

• organism

An organism that is made up of many cells is called:

• unicellular

• multicellular

• pluracellular

Which is the correct order for levels of organization from simple to complex?

• cell, organ , tissue, organ system, organism

• organism, organ system, tissue, cell, organ

• cell, tissue, organ, organ system, organism

• organ, tissue, cell, organism, organ system

This is a example of ........

• organ
• organ system
• tissue
• cell