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Evolution Vocabulary

Across
the change in the genetic composition of a population during successive generations
Study of fossils or extinct organisms
proposed that changes in an environment caused an organism’s behavior to change, leading to a greater use or disuse of a structure or organ;
using the number of differences in DNA or amino acid sequences to show common ancestry (2 words, no space)
a feature that allows an organism to better survive and reproduce in its environment.
Structures derived from a common ancestor but not necessarily similar in function: the wing of a bat and the foreleg of a horse
evolutionary family tree that proposes how species may be related to each other through common ancestor
the difference in the physical traits (phenotypes) of an individual from those of other individuals in the group to which it belongs.
Remnant, or representation, of an organism that existed in a past geological age, or of the activity of such an organism, occurring in the form of mineralized bones, shells, impressions, footprints etc.
Down
gradual change of a species through evolution
evidence for evolution involving the comparison of developmental stages of animal embryos
a mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average than do other individuals. (2 words, no space)
method of making evolutionary family trees based on common ancestry.
Swedish botanist who developed a classification system for all types of organisms known at the time that reflects their evolutionary relationships
Structures that are remnants of organs or structures that had a function in an early ancestor, examples include the appendix in humans and pelvic bones in snakes
The evolutionary history for a group of species.
proposed the theory of descent with modification, the first comprehensive and widely accepted theory of evolution through natural selection