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Published byLorena Dawson Modified over 9 years ago
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Studying Life “Biology” BIO 137 – Ch. 1
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Biology- using the scientific method to study living organisms; the study of life; the study of the living world. Characteristics of Living Things- all living organisms share the following eight characteristics:
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1. Living things are made up of cells. -cells are the basic unit of structure and function of living organisms. 2. Living things reproduce. -sexual vs. asexual
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3. Living things are based on a universal genetic code; DNA. 4. Living things grow and develop. -cell differentiation
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5. Living things obtain and use materials and energy. -metabolism -photosynthesis 6. Living things respond to their environment. -move to a new area because of a natural disaster.
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7. Living things maintain a stable internal environment; homeostasis. 8. Living things change over time; evolution. Video Clip
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Levels of Organization in Nature: Biosphere Ecosystem Community Population Organism Group of Cells Cell Molecules
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Tools & Procedures: -Metric System and the International System of Units (SI Units) -Analyzing Biological Data: data tables and graphs -Microscopes: compound light and electron -Lab Safety
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