Bio evolution

Bio evolution

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Storyboard Text

  • Species exist in populations
  • Variation in individuals is inherited 
  • Individuals in population reproduce
  • Individuals in a population vary anatomically, physiologically, and behaviorally. 
  • Competition 
  • Variation in a population is from mutation in genes, gene flow and sexual reproduction. 
  • Survival
  • Mates are chosen based on biological factors ( i.e. how they look, act, etc.) and young share similarities and show differences from their parents. 
  • Over time environments can shift
  • Resources are limited ( i.e food shelter from predators, mates etc.)
  • Individuals with traits that allow them to survive and reproduce, pass on their genes. 
  • As habitats change some variations in a population allow some organisms to survive and reproduce, passing on their successful traits (genes), other individuals in the population die. 
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