Chapter 1 - BIOLOGY 1305 Chapter 1 Introduction: Themes in...

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BIOLOGY 1305 Chapter 1 Introduction: Themes in the Study of Life
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What is Biology? The study of ___________.
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Properties of Life ORDER ADAPTATION RESPONSE TO THE ENVIRONMENT REPRODUCTION GROWTH AND DEVELOPMENT REGULATI ON ENERGY PROCESSING
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Levels of Biological Organization The Biosphere –all environments (land, water, atmosphere) on earth inhabited by living organisms Ecosystems – living and nonliving components of a specific area Communities – a variety of organisms inhabiting an ecosystem Populations - one species that inhabits a specific locale » Organisms Organs and organ systems Tissues
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BIOSPHERE ECOSYSTEMS COMMUNITIE S POPULATION S ORGANISM S
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ORGANS AND ORGAN SYSTEMS TISSUE S CELL S ORGANEL LES MOLECUL ES
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Interaction/Nutrient Cycling and Energy Flow
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Structure and Function
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Cells A cell is the basic unit of life.
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DNA
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Evolution Theory Explains the unity of living organisms Example: Accounts for diversity of living organisms Example: Suitability for a given environment Example:
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Positive Feedback An end product SPEEDS UP its production. Platelets are attracted to a tear in the
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Chapter 1 - BIOLOGY 1305 Chapter 1 Introduction: Themes in...

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