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Exploring Ecosystems: Interactions in Nature

Discover the study of how living organisms interact with each other and their environment, exploring habitats, abiotic, and biotic factors. Learn about the components of ecosystems, organisms, populations, and communities that create a dynamic balance in nature.

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Exploring Ecosystems: Interactions in Nature

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  1. Chapter 11 Section 1 Living Things and the Environment

  2. Ecology • The study of how living things interact with each other and with their environment.

  3. Ecosystem • The living and the nonliving things in an area.

  4. Habitat • An environment that provides the needs that organisms need to live, grow and reproduce.

  5. Abiotic Factors • The nonliving part of a habitat.

  6. 1. Water - all life processes depend on water.

  7. 2. Soil - determines the types of plants that can live in a certain location.

  8. 3. Sunlight - provides energy for all living things.

  9. 4. Temperature - determines the organisms that can live there.

  10. 5. Oxygen - most living things require it to live.

  11. Biotic Factors • The living things in the environment. Ex: plants and animals.

  12. Review • A habitat is an environment that provides the things a specific organism needs to live, grow, and reproduce. • An organism is a living thing. • There are two components of a habitat: • Abiotic Factors • Biotic Factors • Abiotic factors are nonliving parts of an organism’s habitat. • Biotic Factors are the parts of a habitat that are living, or were once living, and which interact with an organism.

  13. Organization of an Ecosystem • Most organisms do not live all alone in their habitat. Instead, organisms live together in populations and communities that interact with abiotic factors in their ecosystem.

  14. Organism • An organism is an individual living thing (example: prairie dog)

  15. Population • All the members of one species that live in the same place at the same time. (example: prairie dog town)

  16. Community • All of the populations of different species that live in the same place (all biotic factors).

  17. 4. Ecosystem • All of the biotic and abiotic factors in a particular area.

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