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26 Cards in this Set
- Front
- Back
organism; contains one or more cells
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species
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interactions among parts in biological organization
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emergent properties
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the capacity for doing work
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energy
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make food from simple materials in the environments (i.e. plants)
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producers
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animals and decomposers; cannot make food; eat producers and other organisms
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consumers
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molecules and structures that detect stimuli specific to types of energy
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receptors
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balance within cells; defining feature of life
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homeostasis
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THE signature molecule of life
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DNA (deoxyribonucleic acid)
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a grouping of one or more species characterized by certain traits unique to them
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genus
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single cells; prokaryotic most ancient lineage; most metbolically diverse species
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bacteria
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single cells, prokaryotic, evolutionarily closer to eukaryotes
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archaeans
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simplest eukaryotic organisms; very diverse
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protists
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eukaryotic
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cell contains a nucleus
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prokaryotic
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cell does not contain a nucleus
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multi-celled eukaryotes; many are decomposers
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fungi
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multi-celled consumers that ingest tissues or juices of other organisms
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animals
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multi-celled, photosynthetic eukaryotes
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plants
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changes in DNA which offspring inherit from their parents. most have neutral or bad effects
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mutations
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the outcome of differences in survival and reproduction among individuals of a population that differ in the details of their heritable traits.
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natural selection
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heritable change is occurring in a line of descent
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evolution
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a testable explanation of an observed phenomenon or process
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hypothesis
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a statement of what you should find in nature if you were to go looking for it
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prediction
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making systematic observations, building models and conducting experiments
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test
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theoretical detailed descriptions or analogies that might help visualize an object or event that has not been seen or can not be directly observed
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models
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tests carried out under controlled conditions that researchers manipulate
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experiments
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a widely accepted intellectual framework used to interpret a broad range of observations and data about some aspect of nature
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scientific theory
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