SCIENCE 10 QUARTER 4

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  Biodiversity refers to the varied living things that are in a specific area
• organisms: are both economically and ecologically valuable. it maintains a balance ecosystem by doing their specific roles
• the values of species

  1. direct economic value-thierf products are source of of food, clothing,medicine,shlether,and energy
  2. indiredct economic value-benefits produced by organisms without using them (they maintain)