Answer:
fossils provide solid evidence that organisms from the past are not the same as found today.
Explanation:
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<span>blastocyst
The outer layers of the blastocyst turn in to the trophoblast after implantation. The trophoblast forms the placenta.</span>
Aluminum is a shiny, silvery white colored metal that is light in weight and strong.
Cystic Fibrosis is a genetic mutation