classification continued

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scientists place vertebrates into groups on the way they:

  • take in oxygen- though lungs, gills or skin 
  • reproduce-internal or external fertilization. And weather they are oviparous (lay eggs) or viviparous (animals develop internally ).
  • regulate there temperature- homeotherms (maintain temperature) or poikilotherms (can not maintain temperature). 

The importance of classification 

it is very important that organism are classified carefully. This is so the organisms  can be studied  in the right groups making it easier identify habitats or species that need conservation. conservation can keep ecosystems stable as environmental conditions change. conditions that can change include:

  • biotic factors…

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