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Topic 4
Mr Camp - Topic 4
Term | Definition |
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adaptive value | any trait that helps an organism survive and reproduce under a given set of environmental conditions |
evolution | process in which a species changes over time |
extinction | the disappearance of all members of a species from Earth due to their inability to adapt to a changing environment |
fossil record | a collection of fossils used to represents Earth's history |
genetic variation | differences between organisms of a species, increases chance of the individual and species surviving environmental change |
geologic time | Earth's history as revealed by layers of rock |
natural selection | process by which the organisms that are best adapted to a specific environment survive and produce more offspring than organisms that are not as well adapted |
overproduction | the potential for a species to increase its numbers beyond the area's carrying capacity |
theory | an explanation, supported by many observations and/or experiments, that can be used to accurately explain related occurrences(events) |