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Evolution

QuestionAnswer
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
Created by: gjsund1988