Levels of Organization Challange

1. Which is the correct definition for an organ?

• The basic unit of structure and function
• A collection of organ systems that work together to perform the same function
• A collection of tissues that work together to perform a specific function
• A collection of cells that work together to perform a similar function

2. Which is the correct order for the levels of organization in living things?

• Organism ---> Organ ---> Organ System ---> Tissue ---> Cell
• Organism ---> Organ ---> Organ System ---> Cell ---> Tissue
• Organism ---> Organ System ---> Organ ---> Tissue ---> Cell
• Organ ---> Organism ---> Organ System ---> Tissue ---> Cell

3. "A group of organs with related functions, working together to perform body functions" - which level of organization does this apply to?

• Organism
• Organ system
• Organ
• Tissue
• Cell

4. Which level of organization is shown in the image above?

6. "A group of similar cells that work together to perform a specific function" - which level of organization does this describe?

• Tissue
• Organ
• Cell
• Organ System

7. Which of these is an example of an organ?

• Amoeba
• Integumentary System
• Skin
• Red blood cells

9. As we move from the smallest level of organization to the biggest, what changes?

• Numbers
• Intelligence
• Adaptation
• Complexity

10. True or false: Bacteria are unicellular and do not have levels of organization - this means they are not organisms.

• True
• False

Life functions are performed at many levels of biological organization. Which level of biological organization is the simplest level at which a structure can support life functions?

• cell

• tissue

• organelle

• organ system

Which level of organization is made up of a group of different tissues working together to perform a complex function?

• cell

• tissue

• organ

• organism