Environmental Science August 27, 2019 admin Natural Selection A process by which characteristics that make an individual better suited to its environment become more common in a species. Adaptation A behavior or physical characteristic that allows an organism to live successfully in its environment. Niche The role of an organism in its habitat, or how it makes its living. Competition The struggle between organisms to survive as they attempt to use the same limited resource. Predation An interaction in which one organism kills another for food. Predator The organism that does the killing in a predation interaction. Prey An organism that is killed and eaten by another organism. Symbiosis A close relationship between two species that benefits at least one of the species. Mutualism A relationship between two species in which both species benefit. Commensalism A relationship between two species in which one species benefits and the other is neither helped nor harmed. Parasite The organism that benefits by livng on or in a host in a parasitism interaction. Parasitism A relationship in which one organism lives on or in a host and harms it. Host The organism that a parasite lives in or on in a parasitism interaction. Succession The series of predictable changes that occur in a community over time. Primary Succession The series of changes that occur in an area where no soil or organisms exist. Pioneer Species The first species to populate an area. Secondary Succession The series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist. Related posts: Integrative Management of Invasive Insect Pests: Quiz 2 Plant Pathology: Lab Exam Plant Pathology: Lab Quiz 7 LCC- Soils Final
