1. An organism MUST have all 6 characteristics to be considered living!
What is Life?
An organism MUST have all 6 characteristics to be considered living!
2. Chemicals
of Life
1. Cellular
Organization
3. Energy
Use
4. Respond to
Surroundings
5. Growth and
Development
6. Reproduction

2. The cell is the basic building block of all organisms
1. Cellular
Organization
multicellular
unicellular
The cell is the basic building block of all organisms

3. 2. Contains chemicals of life:
water, carbohydrates, lipids, proteins, amino acids
most abundant: water
Lipids (fats) and proteins are the building materials of all cells.

4. All living things use energy for growth and repair.
3. Energy Use
All living things use energy for growth and repair.
Whether an organism is a producer, consumer, or decomposer, its energy ultimately comes from the sun.

5. 4. Respond to Surroundings
stimulus: a change that causes a reaction
response: an action or change in behavior

6. 5. Growth and Development
Development: process of change that creates a more complex organism
Growth: process of becoming larger

7. Sexual reproduction: requires two parents who combine genetic material
Asexual reproduction: requires one parent - offspring is identical to parent