B2

B2

1. Classification

   • Kingdom. Phylum. Class. Order, Family Genus. Species
     • Homo Sapiens
       • Genus
         • Worldwide
       • Species
       • same genus, different species
       • Hybrid - infertile
   • Binomal Naming System

2. Food Chains

   • Grass -- Rabbit -- Fox
     • Producer -- Primary Consumer -- Secondary consumer
   • -- = energy transfer
   • Energy lost in each trophic level
     • Waste/excretion, heat, respiration

3. Pyramids of numbers

   • not a pyramid

4. Pyramid of Biomass

   • Its hard because to get the dry mass they have to dry and kill the organism to weigh it

5. Interdependence

   • One organism lives off another
   • The host doesn't benefit
   • Mutualism
     • Organisms helping each other
       • both benefit

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