Ecosystems and energy
Energy flows one way up a food chain and only about a tenth passes each step, so food chains are short, predators few, and productivity sets how much life a biome supports.
About 40 minutes9 activities Paper packet
Energy flows one way up a food chain and only about a tenth passes each step, so food chains are short, predators few, and productivity sets how much life a biome supports.
About 40 minutes9 activities Paper packet