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Ecosystem Elements

Ecosystem Elements. SNC1D1 – RHSA. An ecosystem is a complex self-regulating system in which living things interact with non-living factors. Name some living things in the ecosystem. Name some non-living factors in the ecosystem.

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Ecosystem Elements

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  1. Ecosystem Elements SNC1D1 – RHSA

  2. An ecosystem is a complex self-regulating system in which living things interact with non-living factors. • Name some living things in the ecosystem. • Name some non-living factors in the ecosystem.

  3. The biotic factors are the living parts of the ecosystem including the plants, animals, fungi, and bacteria. • The abiotic factors are the non-living parts of the ecosystem including the rocks, air, water, concrete, temperature, sunshine or amount of salt.

  4. The smallest biotic part of an ecosystem is one individual organism. • A species is a group of organisms that can successfully reproduce fertile offspring. • A liger can only be bred in captivity as lions and tigers prefer to mate with their own species.

  5. But a population has the members of one species that live in the same ecosystem and can actually reproduce together. • A raccoon in Vancouver is the same species as a raccoon in Toronto but they are not part of the same raccoon populations.

  6. Levels of Ecological Organization

  7. A community consists of all the populations of organisms that live in the same ecosystem. In Toronto, robins, worms, raccoons, grass and cats all share the same habitat or physical environment. • But each one of these organisms has a special niche or role to play in the habitat. For example, in the Toronto ecosystem, cats are predators of birds and provide the soil with nutrients.

  8. Ecosystems are interconnected with other ecosystems and come in all shapes and sizes. However, a large area of land or ocean that has similar producers, consumer, temperature and rainfall is a biome. • Biomes can be aquatic or terrestrial.

  9. This an aquatic biome - a salt water coral reef biome. • Identify some abiotic and biotic components.

  10. This is a terrestrial biome – a desert biome. • Identify some producers and consumers.

  11. Planet Earth clip 2 min – Angel Falls • Think about the organisms, populations, communities and ecosystem in the biome of a tropical forest with a large fresh water river. • http://www.youtube.com/watch?v=8x-3r5fjIr4

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