Now showing items 1-6 of 6

    • Animales invertebrados 

      Medrano Gauna, Eva María (2017-01-01)
      Animals are a group of multicellular, eukaryotic, heterotrophic organisms. Most of them are mobile and reproduce sexually. It is one of the kingdoms with the greatest evolution, it describes more than a million species, ...
    • Clasificación del Reino Animal 

      Guerrero Rodríguez, Windy Jacqueline (2017-09-01)
      Generally the animal kingdom has been classified into two large groups: vertebrates and invertebrates, however this classification does not respond to an evolutionary criterion because not all invertebrates have a recent ...
    • Generalidades de la Ecología 

      Unknown author (2011)
    • Manifestaciones de los seres vivos 

      Islas Vargas, Leticia (2016-07-01)
      Generalmente resulta complicado definir el concepto de vida, dada la gran variedad de formas, tamaños, colores, hábitats, etc. que tienen los seres vivos. Una excelente forma de hacerlo, es describiendo el conjunto de ...
    • Recursos naturales 

      Cuevas Hernández, Ana Lilia (2017-08-31)
      Conceptual map of natural resources, explains the definition and classification.
    • Vitaminas 

      Vivas Gil, Silvia (2011)