Biology, 14.11.2019 23:31, wdymRachel4943
How did geologists decide where one division of the geologic time scale ends and the next begins?
the law of superpostion
events in the history of life on earth, like mass extinctions
they divided the time equally between eras
the placement of fossils throughout the surface layers of earth
Answers: 1
Biology, 22.06.2019 06:00, caleelwittmann31
Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?
Answers: 1
How did geologists decide where one division of the geologic time scale ends and the next begins? <...
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