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9 Cards in this Set

  • Front
  • Back
difference between variation and adaptation
adaptation is any inherited trait that helps an organisms chances of survival and reproduction, variation can either reduce or increase fitness
types of adaptations
1.structural (morphological)change in anatomy
2.physiological chemical makeup
3.behavioral respond to enviroment
what occurs as groups become geographically isolated
a new species evolves
human evolution
1. australopithecus
2. homo habilis
3. homo erectus
4. neanderthal
5. cro magnon
upright walkers, used tools
homo habilis
first tool maker
homo erectus
used fire, left africa, good hunter and used skins
buried dead
cro magnon
cave paintings, written language