Levels of Organization

How does an organ system differ from an organ?

• An organ system is more complex and contains several organs

• An organ system is not made up of cells like an organ is.

• An organ system is only found in very large organisms.

• An organ system is just one part of an organ.

The ___________ is the basic unit of life

• organ
• cell
• atom
• tissue

Which of the following is the correct order of organization in living things from least organized to most organized?

• Organism, cell, tissue, organ, organ system

• Organ system, organ, tissue, cell, organism

• Cell, tissue, organ, organ system, organism

• Cell, organ, tissue, organ, organism, organ system

Organs that perform the same function are called _____________.

• cells

• tissues

• organ systems

• organs

A group of tissues that perform a similar function are called_____.

• cells

• tissues

• organs

• organ system

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

• cell

• tissue

• organ

• organ system

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

• organ

• organism

• tissue

• cell

When many organ systems work together it can form an _____.

• organ

• cells

• organ system

• organism

A group of cells that have similar functions are called ______.

• cells

• tissues

• organs

• atoms

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

• cell
• organ system
• organ
• tissue