Levels of Organization

What is an organism?

An individual animal, plant or single celled life form. Can be unicellular or multicellular

What is a cell?

The smallest possible form of life.

What are cells made of?

Organelles

What are tissues made of? Are they made of multiple different types of cells?

They are made of cells, one type of cell

What are organs made of? Why are they important? Give some examples

Made of different types of tissue, organized into a larger structure with one function. Heart, lungs, liver, etc.

What is an organ system? Examples?

Groups of organs that have related functions, ex. Circulatory system, cardiovascular system, etc.