Introduction to Life Science

Types of Life

5 Characteristics of Life

1. Cells- most basic unit of life.

Ex. Animal, Plant, Bacteria

2. EnergyAnimals

• Eat Food• Cell Respiration

Plants Collect Sunlight Photosynthesis

3. Respond to Environment• React to outside factors

• Example: Birds Migrate, Shivering in Cold

4. Grow and Develop• Start at a small size and

grow larger and develops in order to survive.

• Example-1. Baby -> Adult2. Seed -> Plant

5. Reproduction- create new living organismsAsexual

• 1 parent/ 2 identical offspring

Sexual• 2 parents/ 1 genetic

different offspring• Combination of sperm

& egg

5 Characteristics of Life1. Cells

2. Energy

3. Respond to Environment

4. Grow and Develop

5. Reproduce

THESE ARE NOT CHARACTRISTICS OF ALL LIFE- MOVING

- BREATHING

- EATING

- DANCING