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The Abiotic and Biotic Environment EQ: How can we classify the levels of ecological organization?

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Presentation on theme: "The Abiotic and Biotic Environment EQ: How can we classify the levels of ecological organization?"— Presentation transcript:

1 The Abiotic and Biotic Environment EQ: How can we classify the levels of ecological organization?

2 Ecology is… the study of the interactions among organisms and their environment.

3 Biotic vs. Abiotic Biotic components of the environment: Living things that affect the ecosystem Ex. Grass, plankton, plants, insects Abiotic components of the environment: Non-living things that affect the ecosystem Ex. Water, sunlight, oxygen, temperature, soil

4 Summarize What is the difference between biotic and abiotic factors? Give an example of each.

5 Organization of an Ecosystem Individual – One organism, a single living thing habitat- the place where an organism lives in order to obtain food, water, shelter and other things needed for survival niche- the role of an organism in the environment - type of food it eats - how it gets its food - interactions with other organisms Ex. The niche of a bee is to pollinate flowers as it gathers nectar for its food.

6 Organization of an Ecosystem Population – All the individuals of a given species in a specific area or region at a certain time. Members of a population compete for food, water, space, and mates Ex. Loblolly pines in SC

7 Organization of an Ecosystem Community - All the different population in a specific area or region at a certain time Communities involve many types of interactions among populations: obtaining food, space, or other environmental factor – Ex. All of the crabs, seagulls, and sea grass at the beach are part of the same community

8 Ecosystem – One or more communities in an area and the abiotic factors including water, sunlight, oxygen, temperature and soil Biome – Individual ecosystems grouped together according to climate and vegetation Biosphere – the ecosystem of planet Earth

9 Summarize What are the levels of ecological organization from smallest to largest?

10 Fill in each level of the pyramid Include a description on the right of each level Be sure to show and or list your individual’s habitat and niche Draw your pyramid


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