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15 Cards in this Set
- Front
- Back
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Microscope |
Developed 19th century by Hooke using lenses and mirrors |
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Evolution |
All the changes in earth from the beginning, changes between generations, change in genetic composition in populations. |
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Natural selection |
Best adapted to an environment passes on traits, increase in frequency |
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Species |
Distinct forms of life |
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Genes |
Hereditary factors |
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Hypothesis |
Educated guess, tentative assumption made to test logical assumptions, based on observations, can never be proven |
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Theory |
Working explanation, based on hypothesis, important in generating new hypothesis |
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Why study biology? |
Biology is relevant and controversial, can be used for society, crops, evidence |
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What is life? |
Difficult to define, "how", cells, characteristics, energy, response to environment |
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Major themes of biology |
Evolution by natural selection, inheritance, cells, biological classification, bioenergetics, homeostasis, ecosystems |
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The scientific method in biology |
Observation, questioning, hypothesis, testing, explanation |
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Macronutrients |
Major nutrients need in large quantities for proper body function |
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Protein |
Most important macronutrient, main structural component of living tissue |
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Amino acids |
20 different types to form proteins, 8 essential we can't make ourselves |
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Fat |
Lipids, insoluble in water |
