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What it means to be alive.  All living things have cellular organization.  Think of cells as puzzle pieces that make up all living things  This means.

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Presentation on theme: "What it means to be alive.  All living things have cellular organization.  Think of cells as puzzle pieces that make up all living things  This means."— Presentation transcript:

1 What it means to be alive

2  All living things have cellular organization.  Think of cells as puzzle pieces that make up all living things  This means 2 things:  1.) Living things have at least 1 cell (remember some things are unicellular)  2.) If they are multicellular their cells work together

3  Living things exchange gases with the environment  Examples:  O 2 (Oxygen) - Humans take oxygen in from the air. Plants put oxygen into the air.  CO 2 (Carbon Dioxide) - Humans put CO2 into the air. Plants take CO2 from the air.

4  All living things use energy Some organisms eat food to obtain their energy. Some organisms use sunlight to obtain their energy. HeterotrophsAutotrophs

5  All living things respond to the environment.  Homeostasis - The process by which an organism responds to its internal or external environment  Examples of homeostasis:  Regulating body temperature  Regulating blood, glucose levels

6  All living things grow, develop, and die.

7  All living things reproduce to survive.

8 Living Non-Living

9 1.Cellular Organization 2.Exchange of Gases 3.Energy 4.Respond to the environment (homeostasis) 5.Growth and Development 6.Reproduction

10  Find 3 pictures of living things and 3 pictures of non- living things.  Either out of a magazine, real photos or you can even draw them, put them into your composition notebook.  Under each, list the characteristics the thing does or does not have that makes it alive or non-living.  Bring them to class and be prepared to share with the class whether they are living things or non-living things and why.


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