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Evolution
Question | Answer |
---|---|
Fossils | – are physical evidence or organisms that lived long ago. |
Evolution | – things living today developed from earlier species adapting to changing conditions. |
Natural Selection | – when organisms with favorable variations survive and reproduce, and pass their variations to the next generation. |
Punctuated Equilibrium | – idea that species remain unchanged for long periods of time and then evolution occurs suddenly. |
Niche | – an organisms job in the environment. |
Homologous Structures | – when structures from different species are similar in function and structure. |
Genetic Variation | – occur as a result of genes crossing from one chromosome to another during meiosis. Causes variations within a species. |
Lamark | – use and disuse. Thought organisms were able to develop new structures or adaptations because they needed to. |
Darwin | – came up with the theory of evolution |
The Beagle | – Darwin’s ship |