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17 Cards in this Set
- Front
- Back
Properties of Life
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1. Growth, development, reproduction
2.Ordered complexity 3.Evolutionary adaptation 4. Sensitivity 5. Homeostasis 6.Energy Utilization 7.Cellular organization |
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The Biological Hierarchy
(Cellular Level) |
cell, organelle, macromolecule, molecule, atom. (COMMA)
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Then Biological Hierarchy
(Organismal Level) |
organism, organ system, organ, tissue
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The Biological Hierarchy
(Population Level) |
community, species, population
(biosphere, ecosystem) |
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cell
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the smallest unit of life
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atom
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smallest particle of an element
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The Scientific Method
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1. observation
2. hypothesis 3. experiment 4. conclusions |
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Hypothesis
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suggested explanations that accounts for observations
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Experiment
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test of hypothesis
trying to eliminate one or more competing hypotheses establish controls by holding all variavbles but one constant collect data |
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Theory
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body of interconnected consepts, supported by scientific reasoning and experimental evidence
evidence supports a theory |
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evolution
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the theory that modern organisms descended, with modifications from pre-existing life forms.
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Cell Wall
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animals have cell walls not plants, fungi, etc.
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Cell Membrane
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all cells have a cell membrane
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Charles Darwin
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- 1809-1882
-earth about 6000 years old -voyage on the Beagle -1842 first draft but not published -evolution manuscript from Alfred Wallace -The Origin of Species by Means of Natural Selection published in 1859 |
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The Origin of Species by Means of Natural Selection
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1. Descent with modification- different species living today descended from ancestral species
2.Natural Selection-is a mechanism for evolution |
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Natural Selection
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the unequal survival and reproduction of offspring due to environmental forces resulting in the presence of favorable inherited adaptations.
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Inherited Variation
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variation is inherited
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