Biology = the scientific study of life

 

What is life? 

 

Characteristics of Life (from Campbell and Reece):

 

1.    Order

 

2.    Reproduction (Heredity***)

 

3.    Growth and Development

 

4.    Energy Utilization

 

5.    Response to Stimuli

 

6.    Homeostasis

 

7.    Evolutionary adaptation

 

 

        Science is the process by which we try to understand how the natural world works and how it came to be that way

 

        Biology is the search for natural processes that explain the observations we make about the vast diversity of living organisms on this planet.

 

 

Biological Levels of Organization

 

1.  Ecosystem

 

2. Community

 

3. Species

 

4. Individual

 

5. Organ

 

6. Tissue

 

7. Cell

 

8. Organelle

 

9. Molecule

 

10.              Atom

 

 

The Cell is the smallest living unit

All living organisms are made up of one or more cells

 

 

2 types of cells:

       -Prokaryotic: make up Domain Archaea and Eubacteria

 

       -Eukaryotic: make up Domain Eukarya (Kingdoms Protista, Fungi, Plantae, Animalia)