Levels of Organization in Biology

Levels of Organization

Cell-Tissues-Organs-Organ Systems-Organisms

Multiple Choice

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system
• a.  Organ system, organ, tissue, cell, organism
• a.  Cell, tissue, organ, organ system, organism
• a.  Cell, organ, tissue, organ, organism, organ system

Multiple Choice

The smallest unit of a living thing

• Cell

• Tissue

• organ

• Organ system

• Organism

Multiple Choice

A group of similar cells that perform the same function.

• tissue
• organelle
• mass
• tendon

Multiple Choice

What is the difference between a cell and a tissue?

• cell is basic unit of life; tissue is group of cells that work as one
• cell is group of tissues; tissue is basic unit of life
• cell is basic unit of life; tissue is groups of different cells
• cell is group of organs; tissue is group of different cells

Multiple Choice

This is an example of

• Cell

• Tissue

• Organ

• Organ System

Multiple Choice

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

• cell, organ, tissue, organ system, organism

• organism, organ system, tissue, cell, organism

• cell, tissue, organ, organ system, organism

• organ, tissue, cell, organism, organ system