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Ecology What is Ecology? • The study of the interaction of living things with each other and with the non-living factors in their environment/ecosystem. An ecosystem is the set of relationships between groups of living organisms as well as between these groups and the non-living components in a certain area. Why Study Ecology? • There is very little in the world that is not ecology: Physiology Genetics Ecology Behaviour/Psycho logy Evolution • Ecology affects us and everything that is living and non-living around us. • It’s about relationships. The Environment • • • • Hydrosphere Lithosphere Atmosphere Biosphere where all living things exist and interact (ecosystems). the non-living components. Levels of Organization Species Population Community - an organism that belongs to a group of organisms with similar characteristics that can mate and produce fertile offspring. - all the members of a species that are living in the same ecosystem or habitat. - a collection of all the populations that live in the same ecosystem. - all the organisms in the ecosystem. E C O S Y S T E M Species example Population example Community example Ecosystem example Examples • Can you think of an example of a: – Species – Population – Community – Ecosystem So, where do we fit in? • Since we are part of the biosphere, we also interact with other species, populations, and communities, and we are part of various ecosystems in the biosphere. Do we all fit? • Good question…and it’s a question of what makes a Sustainable Ecosystem. Sustainable Different Environmental Views • Stewardship • Ownership • Frontier view Stewardship View • What is a steward? • What do they do? Quote from Fisheries and Oceans Canada: “Environmental stewardship is an ethic that embodies cooperative planning and management of environmental resources with organizations, communities and others to actively engage in the prevention of loss of habitat and facilitate its recovery in the interest of long-term sustainability.” • How can we put this concept into our own words? Ownership View • What is ownership? • Who owns the environment? Adapted from the Nelson Science 10 textbook: “Canadians do not own wild animals or plants just because they live in that environment. We have no right to move them around or to change an ecosystem whenever we feel like it, even if we believe it is for the better good. If an ecosystem has been damaged it is best if we leave it on its own; it will grow, move and evolve without input from human influence.” • How can we put this concept into our own words? Frontier View • What is a frontier? • Who is a frontier person? Adapted from the Nelson Science 10 textbook: “To feed ourselves and the hungry of the world, we must open up, clear and claim wilderness areas for ranching and other forms of agriculture. Anything that we need to do to an ecosystem to better our communities is justified.” • How can we put this concept into our own words? What’s your view? • Think about what you’ve learned today. • Think about your daily interactions within your ecosystem. • Consider your own experiences and opinions. • Write a reflective paragraph: – Identify the components of your own ecosystem; – Identify what view you have; – Back up your opinions. – Be prepared to share your view next class.