Defenitions

• Genetic diversity 


  Genetic diversity - Number of different alleles of genes in a population
• Evolution


  Change in allele frequency over many generations in a population
• Species


  Group of similar organisms that can breed together to produce fertile offspring
• Heirarchy


  Smaller groups within larger groups with no overlap
• Biodiversity


  Variation that exists within and between all forms of life
• Species richness


  Number of different species in a community
• Species diversity


  Number of different species and individuals within each species in a community
• Ecosystem diversity


  Range of different habitats