Levels of Organization - Check-in

1. What is the difference between a unicellular organism and a multicellular organism?

• Unicellular organisms are composed of many cells while multicellular organisms are composed of one cell
• Multicellular organisms are composed of many cells while unicellular organisms are composed of one cell

2. Which 2 are examples of unicellular organisms?

• komodo dragon
• yeast
• bacteria
• beetle

3. A very complex organism, such as a human, is likely a _______ organism.

• multicellular
• two-celled
• single-celled
• unicellular

4. 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

5. Which is the correct order for the levels of organization in living things from LARGEST to SMALLEST?

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

6. "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

7. Which organ system contains the stomach?

• respiratory system
• nervous system
• digestive system
• circulatory system

8. Which level of organization is shown in this image?

• Organism
• Organ
• Organ System
• Tissue
• Cell

9. Which level of organization is shown in this image?

• Organism
• Organ
• Organ System
• Tissue
• Cell

10. "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