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Scientists use a variety of evidence to determine when they think speciation occurred. This includes analyzing fossils, studying genetic similarities and differences between different species, and observing patterns of geographic distribution and reproductive isolation. Additionally, scientists may also use techniques such as radiometric dating to estimate the age of fossils and the timing of speciation events.

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13y ago

Turtle Doves... Yes, Turtle Doves.

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Q: What do scientists make to show when they think speciation occurred?
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What do scientists do to adult cells to make them behave like embryos?


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it gave scientists a way to repeat others' work to make sure it was correct


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What are the main colors of big bang theory?

No one can say. It's just a theoretical explosion that scientist speculate may have occurred long before man was here to witness-assuming it happened. **** Actually, the Big Bang was not an explosion -- it was an expansion. To say scientists "speculate" about, or that it is "theoretical" it is like saying they speculate that our Earth "theoretically" goes around our Sun. Both these facts about our Universe make several predictions about what we would see if they were true. If ANY one these predictions happened to turn out to be false, then scientists would be questioning whether the Big Bang occurred. However, ALL of them have been observed just as predicted by Big Bang Cosmology. To say that the Big Bang "may have occurred" is like saying Anasazi civilization "may have occurred" before anyone was able to write about them. Both cases -- the Big Bang and the Anasazi -- left a LOT of evidence of their existence. Only two groups of people would say that scientists "speculate" the Big Bang "may have occurred" and "assuming it happened": 1) Those totally ignorant of science. 2) Those trying to spread ignorance of science.

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