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Evolution

TermDefinition
Evolution The gradual change in a species over time
Charles Darwin The "Father of Evolution" that studied finches in the Galapagos Islands and noticed the adaptations of animals compared to the mainland.
Species a group of similar organisms that can mate with each other and produce fertile offspring
Adaptation A trait that has changed to help an organism survive and reproduce
Mimicry Some organisms adapt by looking like other organisms.
Camouflage Some organisms blend in with their surroundings that makes it difficult to see them.
Natural Selection The process by which individuals that are better adapted to their environment are more likely to survive and reproduce.
Overproduction Organisms produce more offspring than the environment can support because many of the offspring will die before maturing.
Variation Organisms of the SAME species are very similar but they do have individual differences among their traits
Competition Overproduction leads to struggle for food, water and other necessities.
Extinction When a species dies out
Sedimentary rock Rock that is formed in layers and where you find most fossils
Half life The time it takes for half of a radioactive substance to decay
Relative/Carbon/Absolute dating A method that measures the actual age of fossils
Homologous structures Similar structures in related species that have different functions
Branching tree diagram A diagram showing how scientists think groups of organisms are related
Created by: jhulshoff
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