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Ecology Organisms and Their Environment Ecology • Ecology is the study of _________ and how they interact with their ________________. • An _______________ consists of all the living and ___-_________ things in a given area that _____________ with one another. Some Vocabulary • _____________: many different types of organisms living together in an ecosystem • _____________: a particular species within a community (they are similar and can reproduce) • _____________: The place in which an organism lives Food and Energy • ____________ are the plants that take energy from the Sun and turn it into food. • ____________ get their food by eating plants or organisms that eat plants. • _______________ get their energy by breaking down dead organisms into simpler substances. Chains and Webs • ________ ___________ are strings of organisms that link up together by what they eat GrassAntelope Lion Bacteria • When food chains overlap they are referred to as ________ _______ (It’s never as simple as the example above because there are more producers-consumers-and decomposers involved) The Battle Begins • Organisms ________ for their __________ – They compete with members of their own _______________ – They compete with other species for _______, ________, and even things like ___________ – They even compete for _________ and the resources needed for __________________ Predation • A __________ is any organism that kills and eats another organism • The _______ is the organisms that are killed and eaten How might it benefit a species to be hunted by predators? Symbiosis Organisms in a close relationship that benefits at least one of them • _______________ – One organism benefits and the other is not affected • _______________ – Both organisms benefit from the relationship • _______________ – One organism benefits and one is harmed by the relationship Adapting to the Environment • ____________: Evolutionary or behavioral changes that make organisms better suited to their environment • _________________: Individuals best suited to the environment survive and flourish to successfully reproduce What are some Adaptations? • How have organisms adapted to their climate? • To predators? • To Competition?