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Understanding Ecology: Interactions in Living Environments

Explore the interdependence of living things and their habitats, from organisms to ecosystems and biomes, in the study of ecology. Learn about abiotic and biotic factors, levels of organization, and the diverse landscapes of Illinois. Discover the harmony of nature and the importance of preservation.

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Understanding Ecology: Interactions in Living Environments

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  1. Living Things and the Environment

  2. ECOLOGY

  3. 1. Ecology… the study of how living things interact with each other and their environment. an interdependence. Organisms depend on all parts-living and nonliving

  4. 2. Habitat- the place where an organism lives out its life-their home An organism gets food , water, and other things it needs to live, grow and reproduce from its environment-habitat.

  5. 3. Interdependent Parts a. ABIOTIC-Nonliving • dead organic matter • nutrients in the soil and water • Temperature • sunlight b. BIOTIC-Living • green plants • Deer • Rabbits • Insects • bacteria

  6. 4. Levels of Organization a. Organism • An individual living thing

  7. *Organisms may compete with each other for resources such as food, water, space, mates, etc. b. Population • A group of the same species living in the same area that can interbreed.

  8. c. Community • A group of different species that live in the same place at the same time. One population can cause a change in another.

  9. Terrestrial: located on land • Aquatic: located in water d. Ecosystem • All the organisms that live in a place, together with their physical environment

  10. Ecosystems of Illinois prairie, wetlands, forest, lakes, streams, agricultural land, and urban areas

  11. e. Biome • A group of ecosystems that share a similar climate and typical organisms

  12. Biomes of Illinois Deciduous Forest Grasslands

  13. f. Biosphere • Composed of many ecosystems • Entire planet, with all its organisms and physical environments THERE’S NO PLACE LIKE HOME!

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