1. B. A snowflake is a crystal made of frozen water.
Which of the above is living? Talk with your neighbor…
HOW do you know which is living? What made you choose one over the other?
A: A radiolarian is a tiny living thing that is covered with a glasslike shell and lives in the ocean.
B. A snowflake is a crystal made of frozen water.

2. THE CHARACTERISTICS OF LIFE

3. Biology
The organized study of living things and their interactions with the environment around them
In other words, The study of life!

4. Themes in Biology Organization Cells
Correlation between structure & function
Interaction between organisms & their environment
Unity in diversity
Evolution (change over time)
Scientific Processes

5. Living things don’t exist in isolation…
All living things depend on other living (and non-living) things in a variety of ways
Examples:
Plants and Humans
Humans and water.

6. Time to think….
On your own, think of some characteristics you would look for to determine if something is alive or not.
Now, share your ideas with one neighbor.
Finally, let’s share as a whole group….

7. WHAT IS LIFE? Living things are called ORGANISMS
All organisms must have ALL of the following NINE Characteristics of Life…
Remember:
FRED H. GARC

8. “FRED” F – Use and need Food R – Must be capable of Reproduction
Organisms need nourishment as they grow and change
Organisms go through METABOLISM:
The combination of chemical reactions through which organisms build up or breakdown materials as it carries out its life processes
R – Must be capable of Reproduction
Asexual Reproduction
Offspring result from and resemble ONE parent
Sexual Reproduction
Offspring result from and resemble TWO parents
E – Must be able to transfer Energy
Different organisms obtain energy in different ways (plants vs. animals vs. bacteria)
D – Develop and Grow
Organisms undergo a series of stages to reach maturity
Infant  Toddler  Young Adult  Adult

9. “H” H – Homeostasis Is a Steady internal balance H+ Blood Pressure
Respiration rate
Body Temperature

10. “GARC” G – Genetic code A – Adapt to change and EVOLVE
All organisms are based on virtually the same genetic code
Inheritance of traits is carried and directed by DNA
A – Adapt to change and EVOLVE
ADAPTATION
Any structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment
Structural – wings, arms, ect.
Physiological – internal body processes
Behavioral – innate, learned
R – Respond to stimuli
Variables (both living & nonliving) cause organisms to make internal as well as external adjustments
STIMULUS
A condition in the environment that requires an organism to change or adjust
RESPONSE
A reaction to a stimulus
C – Made of at least one (1) Cell

11. Made up of Cells
Cell
A collection of matter enclosed by a barrier that separates the cell from its surroundings
Organisms can be unicellular (single-celled) or multi-cellular (many-celled)

12. Levels of Organization
From smallest to largest:
1.) Atom
2.) Molecule
3.) Macromolecule
4.) Organelle
5.) Cell
6.) Tissue
7.) Organ
8.) Organ System
9.) Organism