Levels of Organization -

What is the smallest living thing?

• Atoms

• Cells

• Nucleus

• Macromolecules

A group of cells that have similar functions? Examples are nervous, epithelial, muscle and connective

• cells

• tissues

• organs

• atoms

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

• organ
• cells
• organ system
• organism 

What is the correct order of organization

• tissues-cells-organs-organ systems-organism
• cell-tissue-organs-organ systems-organism
• organism-cells-tissues-organ systems-organism
• tissues-cells-organs-organ sytems-organism

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

• organ
• organ system
• tissue
• cell

The ___________ is the basic unit of life

• organ
• cell
• atom
• tissue

What are organs made out of?

• cells

• organisms

• tissues

• organ systems

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

• cell
• organ system
• organ
• tissue

A collection of living organisms that belong to different populations but all live in the same area and interact with one another is a...

• Population

• Ecosystem

• Community

• Ecosphere

Which of the following phrases describes an organ?

• a collection of interacting sensors

• similar cells that function as one

• different tissues working together

• parts of a communication system