Answers to radiometric dating assignment

In considering the theory of human evolution it is interesting to note that some very well known scientists have actually suggested that the line of human evolution is far from clear.

For example, in 1990, Richard Leakey himself said that, "If pressed about man's ancestry, I would have to unequivocally say that all we have is a huge question mark.

answers to radiometric dating assignment-57

From the beginning of this course, we have stated that the Earth is about 4.6 billion years old.To the embarrassment of many a very intelligent man and woman of science, overly confident conclusions and arrogant statements have been made based on such similarities that have, on occasion, turned out to be not only wrong, but painfully wrong.It is fine to hypothesize that similarities between different creatures are the result of common ancestry, but since such similarities have been and are often conflicting when compared with other features, it might be prudent to hold back a little when making conclusions about any sort of definite taxonomic classification model or even relationship.No one, not even a scientist, likes to see a theory that has cost a great deal of money and much of one's personal time and effort, go up in smoke.So, some caution might be in order before even long established theories are accepted as the "gospel truth", especially when some of the most famous scientists in the field start to question their own life's work.

Answers to radiometric dating assignment