Section 1: Introduction to Biology - Damm's Science Page

[Pages:16]Section 1: Introduction to Biology

All living things share the characteristics of life.

K What I Know

W What I Want to Find Out

L What I Learned

Essential Questions

? What is biology? ? What are possible benefits of studying biology? ? What are the characteristics of living things?

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Introduction to Biology

Vocabulary

Review

? environment

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New

? biology ? organism ? organization ? growth ? development ? reproduction ? species ? stimulus ? response ? homeostasis ? adaptation

Introduction to Biology

The Science of Life

? Biology comes from the Greek bio, meaning life, and from logos, meaning study

? Study the origins and history of life and once-living things ? Study the structures of living things ? Study how living things interact with one another ? Study how living things function

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Introduction to Biology

What do biologists do?

? Study the diversity of life ? Research diseases ? Develop technologies ? Improve agriculture ? Preserve the environment

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Introduction to Biology

The Characteristics of Life

1. Made of one or more cells 2. Displays organization 3. Grows and develops 4. Reproduces 5. Responds to stimuli 6. Requires energy 7. Maintains homeostasis 8. Adaptations evolve over time

An organism is anything that has or once had all these characteristics

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Introduction to Biology

The Characteristics of Life

Made of one or more cells

? Cells are the basic unit of structure and function in all living things. ? Living things can be unicellular (one cell) or multicellular (many cells).

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Introduction to Biology

The Characteristics of Life

Displays organization

? Living things display organization, which means they are arranged in an orderly way.

? Single cells: contains organized functional structures ? Multicellular:

? Specialized cells organized into tissues ? Tissues are organized into organs ? Organ systems work together to support an organism

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Introduction to Biology

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