1. Name at least 2 characteristics of life.
Bell Ringer
Name at least 2 characteristics of life.
Agenda
Bellringer
Remind 101
Review Characs of Life
Review KPCOFGS
Review Exit Slip
Organization of Life Notes
Stations
Exit Slip

2. Binder Setup
Make sure you have the following tabs in the following order:
Bell Ringers/Exit Slips
Notes
Characteristics of Life, Species Classification Notes
Practice Sheets
Quizzes/Tests
EOC practice

3. Characteristics of life Review!

4. What Are the Main Characteristics of organisms?
Made of CELLS
Require ENERGY (food)
REPRODUCE (species)
Maintain HOMEOSTASIS
DNA
RESPOND to environment
GROW and DEVELOP
Change over time
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5. Characteristics of Life
Made of Cells
Living things are organized.
They show an orderly structure.
Universal genetic code
All living things are made of cells that contain DNA!!!
This is where organisms store the information they need to live, grow and reproduce.

6. Characteristics of Life
3. Reproduction
Living things reproduce.
Making offspring is essential to the survival of a species
4. Growth and Development
Living things grow
Increase the amount of living material and form new structures
Living things develop
All the changes in the life of an organism

7. Characteristics of Life
5. Response to Stimuli/environment
Living things adjust to their environment – air, temperature, other living things, etc.
Ex: Deciduous trees lose their leaves in the cold
Stimulus = a condition that an organism must adjust to
Response = a reaction to a stimulus

8. Characteristics of Life
6. Maintain Homeostasis
Regulate and maintain an internal balance
Why? They need an internal environment suitable for survival.
To do this, they respond to internal changes.

9. Characteristics of Life
7. Adapt
Adaptation = a structure, behavior, or internal process that helps organisms survive
Evolution = the gradual accumulation of adaptations
8. Use materials and Energy
All organisms must take in materials and energy to grow and develop and reproduce.

10. Review KPCOFGS
Look at website!! 

11. Review Exit Slip

12. LEVELS OF ORGANIZATION
Nonliving Levels:
ATOM (element)
MOLECULE (compounds like carbohydrates & proteins)
ORGANELLES (nucleus, ER, Golgi …)
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13. LEVELS OF ORGANIZATION
Living Levels:
CELL (makes up ALL organisms)
TISSUE (cells working together
ORGAN (heart, brain, stomach …)
ORGAN SYSTEMS (respiratory, circulatory …)
ORGANISM
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14. LEVELS OF ORGANIZATION
Living Levels continued:
6. POPULATION (one species in an area)
COMMUNITY (several populations in an area
ECOSYSTEM (forest, prairie …)
BIOME (Tundra, Tropical Rain forest…)
BIOSPHERE (all living and nonliving things on Earth)
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15. Number of Cells
Although ALL living things are made of cells, organisms may be:
Unicellular – composed of one cell
Multicellular- composed of many cells that may organize into tissues, etc.
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16. Cell Size and Types
Cells, the basic units of organisms, can only be observed under microscope
Two Basic types of cells include:
Prokaryotic Cell
Eukaryotic Cell
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17. Eukaryotic Cell
Cells contain a nucleus and other structures (organelles) enclosed within a membrane
Prokaryotic Cell
Eukaryotic Cell

18. Two Main Types of Eukaryotic Cells
Animal Cell
Plant Cell
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19. Prokaryotes – Only 1 type
Cells that lack a nucleus or membrane-bound organelles
Includes bacteria
Simplest type of cell
Single, circular chromosome
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20. What are viruses?
Viruses are microscopic particles that attack healthy cells within living things.
Viruses are structures that do not have cells and are not themselves a cell, but that do contain genetic information and use host cells of living organisms that they infect to reproduce.

21. Are Viruses Living or Non-living?
Viruses are both and neither, They have some properties of life but not others
1) Viruses are not cells nor do they contain cells.
2) They do not have a cell membrane or other components of living cells.
3) Living host cells are required for their reproduction.
4) They do not take in food or energy or respond to stimuli.
5) They have genetic material surrounded by a shell and can therefore mutate and evolve.
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22. Stations!