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אין תוצאות חיפוש עבור: results/The_mass_of_living_material_(biomass)_at_each_stage_in_a_food_chain_is_less_than_it_was_at_the_previous_stage._The_biomass_at_each_stage_can_be_drawn_to_scale_and_shown_as_a_pyramid_of_biomass.,3,0,7033;11319;11447,0,30,1,tn,1.html