BIOLOGY - Arizona State University

BIOLOGY!

The Study of Life

bios = life ology = study of

What is LIFE?

I know it when I see it!

What are some characteristics we associate with the "definition" life?

What are the Properties of Life?

1. Precise organization (order) 2. Homeostasis 3. Response to the environment 4. Energy uptake and use 5. Growth and development 6. Reproduction 7. Ability to Evolve

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Properties of Life

1) Order

Properties of Life

2) Homeostasis

Properties of Life

3) Response to the Environment

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Properties of Life

4) Energy Processing

Properties of Life

5) Growth and Development

Properties of Life

6) Reproduction

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Properties of Life

7) Evolution & Adaptation

Properties of Life?

1. Precise organization (order) 2. Homeostasis 3. Response to the environment 4. Energy uptake and use 5. Growth and development 6. Reproduction 7. Ability to Evolve

Is It Alive? Why or Why Not?

Cologne Cathedral

Baby Chicken

Escherichia coli bacteria

Hoover Dam

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Levels of Organization:

Biosphere Ecosystems Communities

Populations

Organs or Organ

Individuals Systems

Levels of Organization:

Organs or Organ Systems

Tissues

Cells

Organelles

Molecules

Emergent Properties

?Each level of the biological hierarchy is more than merely the sum of its parts

?Emergent properties result from interactions among components at each level

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