狠狠撸

ib ecology environmental systems and society environmental systems international baccalaureate environment systems #ess #ib #environment #ibdp environmental ecosystems #ecology #education #science #nature ess biology environmental systems and societies environmental science #ibdp #education #ecology population topic 2 cells diploma soil sustainability biodiversity soils energy non-renewable sciences ecosystem #environmental value syetems conservation and biodiversity #species #niche #competition #species #population svalbard #professionaldevelopment mongolia conservation gobi bear fertilisers coal n-p-k international bacalaurette feedback pollution brine shrimps eia sea monkeys international bac overfishing sustainable yield fishery stocks atmosphere competition human photosynthesis respiration r k environmnetal science aral sea water resources succession intensive farming food resources slash and burn isolation sub species svalbard reindeer evolution phosphates eutrophication nitrogen topic 3 cell theory prokaryotes eukaryotic itunesu ibooks atl assessment afl diploma programme #ess #ib #environment # soils #ess #ib #environment # succession #ibdp #evs #valuesystems #photosynthesis #respiration #diplomaprogramme #ibdp #ib #atl #skills #backwardsbydesign #pd #educators #sampling #survey #environment #ib #environmentalscience #succession #ess #ecology #education #energyflow #productivity #assessment #perspectives environmental impact assessment simpsons index simpsons species habitat diversity genetic diversity species diversity energy flow tundra arctic soil erosion desertification sahel population growth soil degradation poverty foodwebs food chain food chains foodchains food web populations 26 r and k r and k strategy resources natural capital global warming renewable energy #worldview