1. Characteristics of Life
Ms. Brentzel

2. WARM UP
What does it mean to be living? List 5 different things you see in the room you think are living (BIOTIC)… List 5 different things in the room you think are non living (ABIOTIC)…

3. Biology—the science of life
Chapter 1
The Study of Life
1.1 Introduction to Biology
Biology—the science of life
Study the origins and history of life and once-living things
Study the structures of living things
Study how living things interact with one another
Study how living things function

4. Study the diversity of life
Chapter 1
The Study of Life
1.1 Introduction to Biology
What do biologists do?
Study the diversity of life
Research diseases
Develop technologies
Improve agriculture
Preserve the environment

5. Organism – after many observations, and through much research scientists concluded that all LIVING organisms would exhibit eight characteristics. These are the Characteristics of life…..

6. Characteristic 1 Made of one or more cells
Cells are the basic unit of life
They can be multi-cellular such as human cell or unicellular like a bacteria cell.
Strep throat Bacteria – living organism
Human – Living organism

7. Characteristic 2 Displays organization
Arranged in an orderly way is organization
The organism whether unicellular (one cell) or multi-cellular (many cells) are organized based on different structures within each of the cells that have specific roles and functions.

8. Characteristic 3 Grows and Develops
kathyskritters.com
Growth is an addition of mass to the organism, forming new cells and structures
Throughout time the organism advances in these structures, thus becoming developed.
Example - birds

9. Characteristic 4 Reproduces
Organism reproduces and passes along traits form one generation to the next.

10. Characteristic 5 Responds to stimuli
Organism have external environments (all the things that’s surround it – air, land, water, soil, etc.)
Anything that is part of the organism’s environment and causes a reaction from the organism is a stimulus

11. Characteristic 6 Requires energy Energy fuels life!
Energy comes from food, unicellular and plants use the sun to make their own food.
Organisms that cannot make their own food must consume other organisms.

12. Characteristic 7 Maintains Homeostasis
Homeostasis- regulation of internal conditions
Ex- sweating
Any disruptions in homeostasis, and not restored death may occur

13. Characteristic 8 Adoptions evolve over time
An inherited characteristics that results in changes to a species over time, this is an adaptation

14. Exit Slip
Looking at our list on the board… pick one living item and justify using the 8 characteristics of life how it is a living (BIOTIC) organism. Use complete sentences!!