B2

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  • B2
    • Classification
      • Grouping organisms
        • Kingdom
          • Phylum
            • Class
              • Order
                • Family
                  • Genus
                    • Species
      • Species
        • Group of organisms which can interbreed to produce fertile offspring
      • Problems
        • Different stages of evolution
        • Mulitple characteristics
      • Evolution
    • Energy Flow
      • Biomass
        • Pyramids
      • Energy Flow
        • Food chains
      • Equation of efficiency
        • Energy used for growth divided by energy imput
    • Recycling
      • Carbon cycle
      • Nitrogen cycle
      • Decomposers
        • Certain conditions to decompose
    • Interdependence
      • Competition
      • Predator/prey relationships
      • Parasitism and mutualism
    • Adaptations
      • Cold
        • Penguin/polar bear
      • Hot/dry
        • Camel/cactus
      • Specialists/generalists
        • Specialists are often more successful but are more at risk of dying out if the habitat changes (panda)
    • Natural Selection
      • Charles Darwin
        • Evolution
          • Mutation leading to success and breeding
      • Modern examples
        • Bacteria (MRSA)
        • Peppered moth
      • Arguments
        • Evidence/ proof
        • Most would accept Darwin's theory
        • Religion
    • Population and pollution
      • Pollution
      • Populations and pollution
        • Humans have increased expodentially
        • Greenhouse gases
      • Measuring population
    • Sustainability
      • Conservation
        • Whales
        • Protect food supply, prevent damage to food chains, protect organisms for medical uses, protect habitats for people to visit
      • Sustainable development

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