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15 October, 14:17

Giraffes with short necks lived in arid regions. Over time, grasses disappeared, forcing giraffes to eat from trees. Mutations in the genome led to some giraffes inheriting the trait for long necks. Over time, there were more giraffes with long necks in the region. What are the two reasons for the change in the population of giraffes?

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  1. 15 October, 16:08
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    The first reason is the lack of food on the ground allowing for longer necked giraffes to survive longer and have more offspring, another reason would be the mutation in the gene.
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Home » Biology » Giraffes with short necks lived in arid regions. Over time, grasses disappeared, forcing giraffes to eat from trees. Mutations in the genome led to some giraffes inheriting the trait for long necks.
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