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Ecology is. http://www.phschool.com/science/ca_sci_exp_transparencies/earth_sci_unit5.pdf. The Biosphere the thin layer of the earth that supports life. If the earth was the size of an apple, the biosphere would be the thickness of its skin. Yuh know me; I keep it homeostatic.

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slide1

Ecology is . . .

http://www.phschool.com/science/ca_sci_exp_transparencies/earth_sci_unit5.pdf

slide2

TheBiosphere the thin layer of the earth that supports life.

  • If the earth was the size of an apple, the biosphere would be the thickness of its skin.
slide3

Yuh know me;

I keep it homeostatic.

  • An organismhas all the characteristics of life.
slide4

Hey Marty, tell those two to keep their interaction PG.

  • A population is group of interacting and interbreeding organisms.
  • Members of a population must be all the same species.
slide5

A community is a group of interacting populations.

Is he trying to tell me something?

slide6

A community includes all the living things (biotic factors) in one place.

  • It contains no abiotic factors.
slide7

Biotic Factor

  • An ecosystem is a community plus its non-living (abiotic) environment.

Abiotic Factor

slide8

http://www.phschool.com/science/ca_sci_exp_transparencies/earth_sci_unit5.pdfhttp://www.phschool.com/science/ca_sci_exp_transparencies/earth_sci_unit5.pdf