Life forms Life forms and and populationspopulations

Working with a Working with a microscopemicroscope

Is this alive?Is this alive?

Is this alive?Is this alive?

Is this alive?Is this alive?

Is this alive?Is this alive?

Is this alive?Is this alive?

Is this alive?Is this alive?

How do I know if it is How do I know if it is alive?alive?

How do I know if it is How do I know if it is alive?alive?

•There are five There are five characteristics of all life characteristics of all life forms:forms:

How do I know if it is How do I know if it is alive?alive?

• There are five There are five characteristics of all life characteristics of all life forms:forms:1.1.All life contains cells.All life contains cells.

How do I know if it is How do I know if it is alive?alive?

• There are five There are five characteristics of all life characteristics of all life forms:forms:1.1.All life contains cells.All life contains cells.

2.2.Reproduce.Reproduce.

How do I know if it is How do I know if it is alive?alive?

• There are five There are five characteristics of all life characteristics of all life forms:forms:1.1.All life contains cells.All life contains cells.

2.2.Reproduce.Reproduce.

3.3.GrowGrow

How do I know if it is How do I know if it is alive?alive?

• There are five There are five characteristics of all life characteristics of all life forms:forms:

1.1. All life contains cells.All life contains cells.

2.2. Reproduce.Reproduce.

3.3. GrowGrow

4.4. Need EnergyNeed Energy

How do I know if it is How do I know if it is alive?alive?

• There are five There are five characteristics of all life characteristics of all life forms:forms:

1.1. All life contains cells.All life contains cells.2.2. Reproduce.Reproduce.3.3. GrowGrow4.4. Need EnergyNeed Energy5.5. Respond to stimuliRespond to stimuli