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Voc. #2 WMS Sci 8

Vocabulary Set #2

An autotrophic organism that serves as a source of food for other organisms in a food chain. Producers include green plants, which produce food through photosynthesis, and certain bacteria that are capable of converting inorganic substances into food. Producer
The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. Botany, zoology, and ecology are all branches of biology. Biology
A system involving the interactions between a community of living organisms in a particular area and its nonliving environment. Ecosystem
A close association between two or more different organisms of different species that may, but does not necessarily, benefit each member. Symbiotic
An association between organisms of two different species in which each member benefits. Mutualism
A heterotrophic organism that feeds on other organisms in a food chain. Herbivores that feed on green plants and detritivores that feed on decaying matter are called primary consumers. Consumer
The scientific study of the relationships between living things and their environments. Ecology
The process by which organisms exchange gases, especially oxygen and carbon dioxide, with the environment. In air-breathing vertebrates, respiration takes place in the lungs. In fish and many invertebrates, respiration takes place through the gills. Respiration
An animal or plant that lives in or on another (the host) from which it obtains nourishment. The host does not benefit from the association and is often harmed by it. Parasitic/Parasite
Relating to two or more plants or animals dependent on each other. Interdependency
An organism, often a bacteria or fungus, that feeds on and breaks down dead plant or animal matter, thus making organic nutrients available to the ecosystem. Decomposer
A group of individuals of the same species inhabiting a given area. Population
Created by: kkiebler