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MVMS Evolution

Acquired characteristics Characteristics acquired during an organisms lifetime that are NOT passed down to offspring (ex – tattoos)
Adaptation A variation that makes an organism better suited to its environment. Examples are: long claws, good sense of smell, white coat, blubber
Evolution A change in inherited characteristics of a species over time
Fossil The remains, imprints or evidence of past life. They are most likely to be found in sedimentary rock.
Gradualism A slow change of one species to a different new species.
Homologous structures Structures that evolved from similar body parts (ex. Bat wing and human arm)
Law of Superposition Younger rock layers are on top of older rock layers
Mutation Can be good if it allows the organism to better survive in its environment
Natural selection The survival and reproduction of organisms best adapted to their surroundings. Darwin’s theory based on his observations in the Galapagos Islands
Species A group of organisms with similar characteristics that can reproduce among themselves
Theory A explanation of things or events based on scientific knowledge resulting from many observations and experiments.
Variations Differences between organisms of the same species.
Vestigial Structure Something that seems to have no function (ex. the human appendix)
Created by: bonniehodder