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Anettt [7]
3 years ago
14

Among the many remarkable aspects of the origin and history of life on earth is that life originated as much as ____________ yea

rs ago.
Biology
1 answer:
Debora [2.8K]3 years ago
3 0
The oldest fossil evidence that geochemists have been able to find in deposits in Pilbara, Australia, and South Africa have been dated to 3.5 bya. In addition, organic compounds that may be the result of those produced by organisms have been dated, also in Greenland, to 3.8 bya.
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How are sex-linked traits inherited?
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Alleles are passed from the parents’ sex chromosomes to the sex chromosomes in the offspring.


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-Sex traits, like the other traits, are passed from parents to off spring through the process of sexual reproduction.

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