Home > Flashcards > Biology > 4.1,4.2,4.4 definitions

Details Title: 4.1,4.2,4.4 definitions Description: bio test Total Flash Cards: 14 Created: 08/09/2004 04:43:22	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Ecology Definition The study of relationships between living organisms and between organisms and their environment. Term Ecosystem Definition A community and its abiotic environment. Term Population Definition A group of organisms of the same species who live in the same area at the same time. Term Community Definition A group of populations living and interacting with each other in an area. Term Species Definition A group of organisms which can interbreed and produce fertile offspring. Term Habitat Definition The environment in which a species normally lives of the location of a living organism. Term Autotroph Definition (producer)-An organism that produces organic matter from inorganic raw materials and an external energy source. Term Heterotroph Definition (consumer)-An organism that obtains energy and organic matter from other organisms. Term Detritivore Definition (decomposer)- An organism that ingests dead organic matter. Term Saprotroph Definition (decomposer)- An organism that feeds on dead organic matter using extracellular digestion. Term Trophic Level Definition The position that an organism occupies in a food chain or a group of organisms in a community that occupy the same position in food chains. Term Species Definition A group of organisms which could interbreed and produce fertile offspring. Term Carrying Capacity Definition The maximum number of a species that can be sustainably supported by the environment. Term Random Sampling Definition A method to ensure that every individual in a population has an equal chance of being observed.