What is Life & Levels of Organization

Add the definitions & make 3 quick sketches in your note taker

and add stars according to the directions.

Biotic (biogenic)• Living• Dead

Abiotic (Not now or ever)

• Non-living

60 Second Masterpieces

Biotic or Abiotic??

Name the biotic and abiotic factors in the picture:

Biotic:• trees• shrubs• dead wood

Abiotic:• water• snow• air/wind• sun• soil

Add to notetaker…• There are 5 characteristics of all living

things (organisms):• 1. Organization (cells)

• 2. Metabolism (use energy/make waste)

• 3. Grow and develop• 4. Reproduce• 5. Respond and adapt

To be or not to be…• There are 5 characteristics of all

living things (organisms):• 1. Organization (cells)• 2. Metabolism (use energy/make waste)

• 3. Grow and develop• 4. Reproduce• 5. Respond and adapt

Grab a text book and look up key words & ideas about each

of the 5 characteristics in chapter 1.1

Any living thing is called an organism

• But where do organisms come from?

Past and Present Ideas about the Origin of Life.

Where does life come from?

• Spontaneous generation- A theoretical process by which life begins when ethers enter nonliving things.

Olde Tyme Recipe for Life

“It is enough to fill a container with corn and to cover it with a dirty shirt. After a few days, one sees appearing the mice.”

-JB van Helmont (1577-1644)

Redi’s ExperimentProcedures:1. Fill 3 jars with rotting meat2. Leave one jar open, cover one

with lid, cover one with mesh3. Leave jars out and observe which

jars maggots grow in

Maggots inside

No maggots Maggots on mesh

Biogenesis• Biogenesis is the principle that

life comes only from life. “Bio-” literally means “life”and genesis means “beginning.”

The diagrams on Figure 1-21 in your notetaker shows the levels that life can be organized into.

1. Come up with a memorization strategy for each level & put it in the box on the right

2. Quiz your partner on the levels from highest to lowest

Quiz on this notetaker Friday!

Closure• If a strange new sample was brought back from

Mars, it may look like nothing we’ve ever seen before. Explain briefly how you would test to see if it was a living organism! Use and underline at least 3 vocabulary terms in your answer.