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Introduction to Ecology

Introduction to Ecology. Science 10 Mrs. Purba. Paradigm. Pronounced, “ PAIR-A-DIME” The way we use concepts to build our understanding. We usually use ideas that are “common” to us, to explain extraordinary things. Paradigm Shift.

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Introduction to Ecology

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  1. Introduction to Ecology Science 10 Mrs. Purba

  2. Paradigm • Pronounced, “PAIR-A-DIME” • The way we use concepts to build our understanding. • We usually use ideas that are “common” to us, to explain extraordinary things.

  3. Paradigm Shift • Occurs when old paradigms are replaced by new paradigms. • When “old” ways of thinking are replaced by “new” ways of thinking.

  4. Examples of Paradigm Shifts:

  5. Ecological Paradigm Shifts • We believed that as humans, we were totally unrelated to other animal life on Earth • We believed that we were placed on this Earth to “rule” and use the “boundless” resources… • SUPERIORITY COMPLEX

  6. Two Types of Resources • Renewable Resources • Non-renewable Resources

  7. Renewable Resources • Resources that can be replaced as fast or faster than they are being used. Example: Energy from the sun (solar power)

  8. Non-renewable Resources • Resources that cannot be replaced or are being used much faster than they are forming. Example: Coal, oil, natural gas (fossil fuel)

  9. Sustainability • The ability to meet the needs of the present generation without compromising the ability of future generations to meet their needs.

  10. Closed System • An environment where substances do not enter or leave.

  11. Biosphere • The “life zone” of Earth, including the lower part of the atmosphere, hydrosphere, and upper part of the Earth’s crust (lithosphere)

  12. Biodiversity • Variety of living organisms that inhabit Earth Habitat • Place where an organism “lives”. • We can have terrestrial (land) habitats and aquatic (water) habitats.

  13. Ecology • The scientific study of the interaction of organism and their environment. Ecosystem • A community of organisms and the physical environment where they live.

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