The New Encyclopaedia Britannica, Volume 9 |
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Page 450
Darwin's view of species Similarity of morphological and typological concepts
Evidence from experiments ... scientists began to attempt the naming and
classifying of all living and fossil species, it became clear that a more universal
system ...
Darwin's view of species Similarity of morphological and typological concepts
Evidence from experiments ... scientists began to attempt the naming and
classifying of all living and fossil species, it became clear that a more universal
system ...
Page 451
the two problematic groups can be artificially bred in the laboratory by taking
eggs from the female of one “species” and fertilizing them with sperm from the
male of another “species.” Normal development of the hybrid offspring is
justification for ...
the two problematic groups can be artificially bred in the laboratory by taking
eggs from the female of one “species” and fertilizing them with sperm from the
male of another “species.” Normal development of the hybrid offspring is
justification for ...
Page 453
Such geographic variants were called different species before their true status
was determined. Such geographic races are common in plants as well, but they
are generally called varieties by botanists. The problems presented by these ...
Such geographic variants were called different species before their true status
was determined. Such geographic races are common in plants as well, but they
are generally called varieties by botanists. The problems presented by these ...
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