Ecology Monday March 27, 2011 Website to help you study biology term • http://flashcards.dictionary.com Ecology • The study of relationships between organisms and their environment Abiotic Factor • NON-LIVING environmental factors such as wind, heat, light and soil, sunlight, temperature, water Biotic Factor • LIVING ORGANISMS that interact with other living organisms in an ecosystem (e.g., organisms compete for resources, predators and prey) Biodiversity • The VARIETY of different species in an area Biogeography • Study of the distribution of plants and animals Biosphere • The part of the earth's crust, waters, and atmosphere that supports life. Carnivore • Organisms that eats MEAT Community • All the populations of DIFFERENT organisms in an area Ecosystems • A term used to describe the relationship between many species living together in an environment Food Chain • Simply, straight-line chain that shows the flow of energy from the primary producers to the top predator Food Web • All food chains connected to show all relationships between organisms Herbivore • Organisms that eats PLANTS Inorganic Substance • Substances that DO NOT contain a combination of carbon AND hydrogen Omnivore • Organism that consumes both plants AND animals Organic Substance • Substances that ALWAYS contain carbon AND hydrogen Population • All the species of ONE organism in an area Primary Consumer • Organism that cannot make its own food; rather it consumes the Producer. Producer Organism • Is capable of making its own energy (e.g., tree, grass) Secondary Consumer • Organisms that rely on and typically consume the Primary Consumers as an energy source • Aquatic • Ecosystem located in a body of water • Terrestrial • Ecosystem located on land Decomposers • http://www.quia.com/quiz/244317.html