DescriptionUnnatural selection, 2 heads, one species.jpg
English: Canis lupus. Each skull was photographed from the same focal distance with a fixed zoom; the images were then combined while preserving scale. The larger skull is from a wild grey wolf. The smaller is from a chihuahua. They are in fact considered the same species. The domestic dog is the product of artificial selection over many generations. Suitable example for evolution or general biology.
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Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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same or compatible license as the original.
DescriptionUnnatural selection, 2 heads, one species.jpg
English: Canis lupus. Each skull was photographed from the same focal distance with a fixed zoom; the images were then combined while preserving scale. The larger skull is from a wild grey wolf. The smaller is from a chihuahua. They are in fact considered the same species. The domestic dog is the product of artificial selection over many generations. Suitable example for evolution or general biology.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the
same or compatible license as the original.