Bio; Lecture 01; Life

Bio; Lecture 01; Life - Principles of Biology 2 What is...

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Principles of Biology 2 BIOU103 1-8-07 What is Biology? Biology is the scientific extension of the human tendency to connect and to be curious about life Biology studies the structure and function of living organisms… Levels of Biology o Atoms CHONPS : major atoms involved with life o Molecules (molecular biology) Carbohydrates, proteins, lipids, and nucleic acids o Cells (cell biology) Prokaryotic (no membrane bound organelles) Eukaryotic (contain membrane bound organelles) o Tissues (histology) Connective, muscle, bone, etc o Organs o Systems Digestive, circulatory, nervous, etc. o Individuals (organismal biology) Competition, mating, parental care, communication o Populations Whole groups of the same species Migration Population genetics: genetic makeup of an entire population o Communities All organisms living in a specific place Interactions between species Predator vs. prey Pathogens, etc o Ecosystems Includes non-living component of environment
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Bio; Lecture 01; Life - Principles of Biology 2 What is...

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