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15 Cards in this Set

  • Front
  • Back
a process of change in a population over a period of time
darwin was unable to explain completly his theory of evolution because he lack the knowledge of:
what can be learned from fossil record?
-extinctions/ mass extinctions
-production of new species
-evolutionary trends
-transitional series
-intermediate form
what are the evolutionary trends?
simple--> complex
aquatic--> terrrestrial
a series of fossils which shows the gradual of evolution of a species over time
transitional series
what is evidence of common ancestry?
-vestigial structures
-homologous structures
-comparative embryology
-biochemical evidence
homologous structures are formed by
divergent evolution
analogous structures are formed by
convergent evolution
appendix. coccyx, pelvic bones in dolphins
vestigial structures
structures with different functions but similar underlying structures
homologous structures
structures with similar functions but different underly structure
analagous structures
early development in vertabrae is very similar (example of)
comparitive embryology
organisms with similar structure often have similar DNA
comparitive biochemisty
theory of natural selection
-over production of organisms
-competition for resources
-survival of the fitest
-reproduction of only those that survive
who incorrectly believed
use & disuese
inheritance of aquired characteristics