Decomposers, Aquatic and Nutrient Cycles Heat First Trophic Level Second Trophic Level Third Trophic Level Fourth Trophic Level Solar energy Producers.
Weather Earth’s Changing Atmosphere I. What is Weather? A. Atmosphere Weather = day to day changes in the atmosphere – layer of gases surrounding Earth.
BIOGEOCHEMICAL CYCLES Water Cycle Carbon Cycle Nitrogen Cycle.
Today’s Agenda: Lecture I
