In 1987, the population of Black Footed Ferrets in the world was 18 individuals. By 1989 through captive breeding, the number rose to 120. percent change in this [(120-18)/2]/18.
<h3>Why did black-footed ferrets become extinct?</h3>
There may have been as numerous as 5 million black-footed ferrets in the United States in the earlier 1900s. while by the 1970s they were stressed to be expired as a result of habitat fragmentation and general prairie dog drops due to: Being slowly exterminated.
Thus, the number rose to 120. percent change in this [(120-18)/2]/18.
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A new species develops when the two diverging species no longer recognize each other as their potential mates. In such cases, these two species evolve and grow as two completely different species. There is no genetic exchange between these two species now. When two species diverge, there are no chances of of the members of each of them mating as there DNA (Deoxyribonucleic acid) is no longer compatible.
Hence, the correct answer is 'Option A - diverging species no longer recognize one another as potential mates'.
Answer:
for example down syndrome or trisomy 21 is a common genetic disorder that occurs when a person has 3 copies of chromosome 21 there are many other promotional abnormality is including tunnel syndrome klinefelter syndrome
It would be D...................................................................................................................................................................