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Interactions in Living Environments

Explore the interactions between living and non-living elements in ecosystems. Learn about organisms, populations, communities, and the biosphere. Discover how living things obtain energy and the roles of producers, consumers, and decomposers. Dive into food chains, food webs, and energy pyramids to understand energy flow in ecosystems.

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Interactions in Living Environments

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  1. Interactions of Living Things May 2012

  2. Living or Not Living? • Biotic – any living thing in an ecosystem • Examples: (list our class examples) • Abiotic – any nonliving parts of the environment • Examples: (list our class examples)

  3. Weigand took Vance and Reed to school on the court!!!

  4. Organization in the Environment • Organism - one member of a species

  5. Organization in the Environment • Population - a group composed of the same species

  6. Organization in the Environment • Community - all the populations in an area; includes plants

  7. Organization in the Environment • Ecosystem - community of organisms plus their abiotic environment

  8. Organization in the Environment Biosphere - where life exists on Earth

  9. One yellow reef fish = organism

  10. all yellow reef fish = population

  11. all fish types, sea anemone, tube worms, coral, sea weed = community

  12. all fish types, sea anemone, tube worms, coral, sea weed = community

  13. the coral reef, water, sunken ship,…. = ecosystem

  14. Whole Earth = Biosphere

  15. Organization in the Environment Example: • Organism - yellow reef fish • Population - all yellow reef fish • Community - all fish types, sea anemone, tube worms, coral, sea weed • Ecosystem - the coral reef, water, sunken ship,…. • Biosphere - Earth

  16. Living things use energy! Living things are divided groups by how they get their energy. • Producers: gets energy from sunlight • Consumers: gets energy from other things • Herbivore: eats only plants • Carnivore: eats only animals • Omnivore: eats plants and animals • Decomposers: get energy from dead things

  17. Living things use energy! • Food Chain - shows energy flow from one organism to another

  18. Living things use energy! • Food Webs – interconnecting food chains in an ecosystem

  19. Living things use energy! • Energy Pyramid – a triangular diagram that shows the loss of energy as it moves between organisms In an energy pyramid, a producer is ALWAYS on the bottom, with a predator on top.

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