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33 Cards in this Set
- Front
- Back
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Biology:
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the study of life
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Paradigm:
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large body ofinformation or beliefs widely accepted bya group of individuals
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Paradigm shift:
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A "revolutionary" change in an accepted beliefor way of thinking
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Example of a paradigm shift
science and religion |
earth as center of the universe to the sun being in the center
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Example of a paradigm shift(Darwin)
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Darwin's theory of evolution
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How are cells organized
(hierachy) |
aroms-molecules-organelles-cells
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Cell:
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the basic unit of life
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How are organisms organised? (hierachy)
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tissues-organs-organ system-organism
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Population Level Organization
(hierachy) |
population-species-community- ecostystem
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Emergent Properties:
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new properties present at one level that are not seen in previous level
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Deductive Reasoning:
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General principal to make specific conclusion
(large to small) |
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Inductive reasoning:
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small precise ideas to larger,broader ideas.
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Whats the scietific system
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observation
hypothesis rediction experimentation conclusion |
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Hypothesis:
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possible explanation for an observation
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Reductionism:
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To break a complex process down to its similar parts
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Model:
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to stimulate phenomena thats difficult to study
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Charles Darwin was what?
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naturalist
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what was darwins theory
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natural selection
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what wa his voyage that helped him find his discovery?
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Went on a mapping expedition around coastal South America (voyage of the beatle)
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Evolution
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modification of a species over generations
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Natural Selection
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individuals with superior physical or behavioral characteristics are more likely to survive and reproduce that those without such characteristics
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Thomas Malthus believed in what (vs)
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Population growth vs. availability of resources
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How did Thomas Malthus's theory prove Darwins
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he realized not all members of population survive (natural selection) only the strongest survive
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ontogeny
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A species pattern of development
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Phylogeny:
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the evolutionary history of a species
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What are two elements to comparitive anatomy?
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Homologous Structures
Analogous structures |
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Homologous structures:
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have same evolutionary origin, but different structure and function.
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analogous structures:
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have similar structure and function, but different evolutionary origing
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Divergent Evolution:
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selection that favors changes making two or more grops less similar
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Cell theory
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All living organisms are made of cells, and all living cells are made from preexisting cells
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Molecular basis of inheritance
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DNA encodes genes which conrol living organisms and are passed from one generation to the next
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Evolution Change
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Living organisms have evolved from the same origin event. The diversity of life is the result of evolutionary change
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Evoluionary Conservation
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Critical characteristics of early organisms are preserved and passed on to future generations
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