th 4 Period Ecology Vocabulary Coach Andrews Ashton • Ecosystem – Communities living in a similar habitat • Symbiosis – Close relationship between 2 different species Carlos • Herbivore – Feeds only on plants, producers and autotrophs • Elephants, cow • Carnivore – Feeds only on animals • Lions Alicia • Omnivore – Eats plants and animals • Human, bear • Decomposer – Feeds on dead plants and animals • Fungi, bacteria Michelle • Consumer – Organism that feeds on plants or other animals • Trophic Level – Class of organism that occupy the same position in a food chain such as primary, secondary and tertiary. Sierra • Secondary Consumer – Carnivore that only feeds on herbivore • Tertiary Consumer – Animal that is second to the top of a food chain that feeds on other carnivores or secondary consumers Mia • Ecological Succession – Process by which an ecological community undergoes more or less orderly and predictable changes following a disturbance. • Biomass – Biological material from organisms as an energy source Haleigh • Detrivore – Organisms that feed on other dead organism • Crow, Buzzard • Producer – Organism that makes their own food through photosynthesis or chemosynthesis. T Jay • Food Web – Several food chains, more realistic view of an ecosystem • Food Pyramid – Graphic representation of the structure of a food chain. Broad base of producers tapering to a point of consumes Krista • Autotroph – Any organism capable of self nourishment by using inorganic materials as a source of nutrients. • Grass, trees, flowers • Heterotroph – Organism requiring organic compounds for its principle source of food. • People, cows, animals Sefra • Abiotic factors – Non living factors of an ecosystem • Biotic factors – Living factors of an ecosystem Lateasha • Predation – Preying of one animal on others • Parasitism – Relation between two different kinds of organisms in which one receives benefits from the other by causing damage to the other Paige • Limiting factor – Any biotic or abitotic factor that restricts the existence of an organism in an ecosystem. • Sunlight, Soil, water – Carrying Capacity • Number of organisms of a species that an environment can support – Cows on a farm Tinikia • Pioneer Species – Repopulate an are after a disturbance • Top Predator – Animal that does not have any natural predators