ENVS 1126 : Exam 1 Review
Document Summary
Example: tell how much biomass moves through a certain number of trophic levels in an ecosystem. Describe the biogeochemical cycle of carbon, and explain what are the major human intrusions into the carbon cycle. Current state of the planet: four global trends. Matter in living and nonliving systems/matter and energy environment, entropy. Species, population biotic community ecosystems, ecotones, landscape, biome, biosphere, Carbon cycle, nitrogen cycle, phosphorous cycle, sulfur cycle. Organic and inorganic molecules, kinetic energy, potential energy, the four spheres of earth"s. Law of conservation of matter; first law of thermodynamics; second law of thermodynamics. Producers (autotrophs), consumers (heterotrophs), food chain, food web, bioaccumulation, Primary; secondary; fire climax ecosystems; resilience mechanisms; carrying capacity; tipping. Historical average rate of extinction vs today"s rate. Lecture 6 ecosystems: the value, use, and restoration. The maximum rate of increase occurs at halfway to the carrying capacity.
