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Biology 2 Evolution Review

Terms in this set (19)

Convergent Evolution
Two unrelated species develop similar adaptations because they live in similar environments or occupy similar niches (dolphin/shark)
Homologous Structures
Organs that look similar in the embryo stage, but develop into different mature forms (bones of the hand/bones in a whale's fin)
Survival of the Fittest
Those that are more fit will survive and reproduce. (Natural Selection)
Vestigial Structures
Organs that serve no evolutionary purpose (appendix)
Gene Pool
All of the genetic information available in a population.
Genetic Drift
Random changes in a gene pool.
Species
All of the same organisms in a area.
Biodiversity
The variety of living things in an ecosystem.
Artificial Selection
Humans pick the traits that they want organisms to display. (Dogs, farm animals)
Taxonomy
The science of naming new species
Reproductive Isolation
Two populations cannot interbreed.
Geographic Isolation
Two populations are physically seperated from each other and cannot interbreed.
Temporal Isolation
Two populations breed at different times and cannot interbreed.
Behavioral Isolation
Two populations display different breeding behaviors and cannot interbreed.
Charles Darwin
Scientist who created the theory of evolution.
Adaptation
Inherited characteristics that allow an organim to survive and reproduce.
Evolution
Change over time.
Mutation
A change in genetic material
Endosymbiotic theory
Eukaryotic cells developed from groups of prokaryotic cells living in symbiosis
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