Questions In Evolution

1.The quote means that there were many other species out front humans existed. It is hard to imagine but in the calendar, which represents commonwealths history, it is clearly demonstrated. The calendar consists of twelve months and we are in the last month on the last day. That means for rough 800 million years if not more, spirit still existed without humans. subsequently the earth formed, rocks formed, chemical record of life, which soon produced fossil cells was likewise formed. Eukaryotes, algae, first animals with limbs and shells, first animals with vertebrae, land plants, land animals and dinosaurs all appeared in the first place us. They were also extinct in the lead us as well. round people think that dinosaurs were a very long measure ago and they do not even realize that before dinosaurs, there was still much more life on Earth. It is amazing to know that we may not be around forever either. In another 800 million years, new life forms may not even be able to associate to us, like we cannot relate to fossil cells that much.
2.Convergent evolution is the charge that natural selection has made use of the different mutations open in each population to accomplish the same adaption.



The evidence that lactose tolerance arose by convergent evolution is the University of physician tested forty-three ethnic groups in East Africa and gear up three separate mutations. They were all different from the European one, which unplowed the lactase gene switched on in adulthood. One of the mutations, appoint in peoples of Kenya and Tanzania, may have arisen about three grounds years ago. The lactose tolerance has evolved independently four quantify is an instance of convergent evolution. Natural selection has used the different mutations available in European and East African populations to bring up each develop lactose tolerance.If you want to get a full essay, order it on our website: Orderessay



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