Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.
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The genes of an organism can be
either a homozygous or a heterozygous one. When someone is a homozygous
dominant, it means that it has two copies of the same dominant allele. Homozygous
means that the organism has exact copies of the same gene allele.
The organs are known as Vestigial organs. The evolution from land-dwelling animal to the marine animals has led whales as well as dolphins, to lose hind limbs. The pelvic and leg bone serves no purpose in them and just provide the anchorage to muscles
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To be honest, I'm not sure anyone would know the answer to that,
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