Therese Camilleri St. Michael School Scout Group The Water Cycle.
Decomposers, Aquatic and Nutrient Cycles Heat First Trophic Level Second Trophic Level Third Trophic Level Fourth Trophic Level Solar energy Producers.
Chapter 4 Nutrient Cycling © Brooks/Cole Publishing Company / ITP.
Nutrient Cycles. Matter Cycling in Ecosystems Nutrient – any atom, ion, or molecule an organism needs to live, grow, or reproduce –Some (such as C, O,
