science7ch7
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| Trait | a distinguishing quality that can be passed from one generation to another
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| Selective breeding | the breeding of organisms that have a certain desired trait
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| Mutation | a change in the order of the bases in an organism's DNA (3 types: deletion, insertion, substitution
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| Natural selection | The process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without the favorable trait
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| Adaptation | A characteristic that helps an organism survive in its environment
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| Evolution | The process by which populations accumulate inherited changes over time
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| Fossils | Solid remains or imprints of a once living organism - they are often preserved in rock
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| Separation (speciation) | Two populations become isolated from each other
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| Adapation (speciation) | If the population that is isolated either changes or dies
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| Division (speciation) | The separated populations no longer are the same species.
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| Overproduction | The ability of a species to produce far more offspring than can possibly survive
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| Genetic variation | Each individual has unique combination of traits
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| Struggle to survive | Due to limited resources only some individuals survive to adulthood
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| Successful reproduction | Individuals that are well adapted to the environment and have better traits will be able to reproduce and survive
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| Charles Darwin | Developed an explanation for evolution called natural selection
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| Vestigial structures | Remains of structures in an individual that were once useful but are no longer useful to the individual
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
whitet
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