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Species, Population and Communities

Published on Aug 21, 2016

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PRESENTATION OUTLINE

Species, Population and Communities

 
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Species

  • A group of organisms that can interbreed and produce fertile, viable offspring
  • A species is a small group of livining being, that only have relations between them.
  • Cross-breeding
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Populations

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GROUP OF ORGANISMS OF THE SAME SPECIES WHO LIVE IN THE SAME AREA AT THE SAME TIME

Autotrophic

Make their own food since simple materials
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heretrophic

Obtein their carbon compounds from other organisms
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Detritivores are heterotrophs that obtain organic nutrients fromDetritus by internal dygestion

SAPROTROPH

OBTAIN ORGANIC NUTRIENTS FROM DEAD ORGANIC MATTER BY EXTERNAL DIGESTION
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Community

a community is formed by populations of different species living together and interacting with each other

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Ecosystems

The perfect system

A community forms an ecosystem by its interactions with the abiotic environment

Photo by Rennett Stowe