esta cool??????????

lunes, 18 de octubre de 2010

sumary 2

Ecology the ecology is divide in two parts biotic and abiotic things like this
                           


                                                               Ecology

                                          biotic                                      abiotic

                                              living things                              nonliving things


what means biotic and abiotic?


biotic are the living things in the ecosystem

and abiotic are the nonliving in the ecosystem

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