36.1 Feeding relationships determine the path of energy and chemicals in the ecosystem.
Bottom-up control: Resource supply determines trophic structure. Bottom-up control is the influence of producers on the sizes of the trophic levels above.
36.2 Energy flows through ecosystems There is a limited amount of energy in an ecosystem. It is divided among the different trophic levels. This.
36.2 Energy flows through ecosystems
Chapter 54: Ecosystems
Students: -Turn in to period box -Mark & Recapture Activity -Honor Code signatures -Costa Rica meeting slips? – return to me please -Mark & recapture make-ups.