Ecology Study Guide 2015-2016 Review Biome Graphic Organizer Vocabulary Terms (Know definition of each term): Food Web Commensalism Community Deforestation Energy Pyramid Mimicry Ecosystem Nitrogen Fixation Limiting Factor Ecology Biomes Primary Succession Carrying Capacity Abiotic Factors Biosphere Secondary Succession Symbiosis Biotic Factors Food Chain Pioneer Species Mutualism Organism Overpopulation Biodiversity Parasitism Population Climate Change Predator Prey Decomposer Adaptation Question: List abiotic factors in an environment List biotic factors in an environment Put the five levels of organization in order What is the difference between a food web and food chain? Where do producers acquire energy from? What is this process called? Where do arrows in a food web point? Answers: Be able to determine what each level on an energy pyramid stands for in relation to number of organisms, available energy, levels of consumers. What is the main source of energy for the planet? If producers are removed from an ecosystem, how would it affect the food web? For the carbon cycle and the nitrogen cycle to function properly, which organism must always be present? Be able to determine the differences between primary and secondary succession How do humans contribute to the carbon cycle? What type of organism helps with nitrogen fixation? Which element do all living things have in common? What is the purpose of fungi in an ecosystem? How does carbon get into the atmosphere?