1. August 25, 2009 Chapter 1 Section 1 Notes

2. Chapter 1-How do we classify life?  Biology: ______________________, how do we study all of life? No one can study everything-we use a hierarchy. No one can study everything-we use a hierarchy.  Hierarchy- __________________________________ _________________________________.

3. Hierarchy of Life Molecules Cell Organism

4. Molecules  The ___________________________________ go into making life.  _________________- Deoxyribo-Nucleic Acid- is the molecule of ____________________________________.  ______________________-DNA goes into making up genes that code for traits.  Other molecules include proteins, carbohydrates, lipids (fats), minerals, and water.

5. Cell  The Cell is the _________________________.  Lots of molecules go into making up a cell.  All living things are made of ___________________________.  Unicellular-________________ celled creature.  Multicellular- a creature made of ________________________ cell.

6. Organisms  ___________________ are made of one or more cells.  Organisms are _________________________________.

7. Population  A group of the __________________________________ _______________________________. Ex: a population of rock bass in a pond.

8. Community  _______________________ that live in a common area is called a ____________________.  Ex: the life in a pond is a community, the life on a beach dune is a community.

9. Ecosystem  A __________________________________ __________________________________ __________________________________ __ ecosystem.  Ex: a desert ecosystem includes cacti, sand, sunlight, snakes, etc.

10. Biosphere  All parts of the planet that are __________________________________ __________________________________ biosphere.

11. Homework  Re-Read Chapter One!  Do questions 1-3 on page 6.