Evolution

Descripción

GCSE (Term 1) Biology Mapa Mental sobre Evolution, creado por ashleighcattell el 26/09/2013.
ashleighcattell
Mapa Mental por ashleighcattell, actualizado hace más de 1 año
ashleighcattell
Creado por ashleighcattell hace alrededor de 12 años
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Resumen del Recurso

Evolution
  1. Where it all begins
    1. overproduction of young
      1. variation within species
        1. competition between organisms
          1. survival of the fittest
            1. inheritance of beneficial genes
              1. gradual change of species
    2. Speciation = when members of a species evolve differently due to seperation and enter a new species
      1. DNA
        1. nucleus
          1. 46 chromosones (23m+23f)
            1. gene
              1. DNA
                1. genes are protien instructions
                  1. an allele is a variation of gene
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