"People have assumed that the immigration of the doglike dingo was the reason for the extinction," she said.
Butterfly collectors were blamed but the reason for its extinction was only discovered by Thomas in the 1970s, just too late to save the species.
By the 1930s, the one unalterable piece of his identity, his Jewishness, had been twisted under evil circumstances into a reason for his extinction.
QUESTION FROM GUEST: If the biological differences appear to be slim, could it be argued that the reason for Neanderthals' extinction was more of a cultural factor and not a biological one?
But the shape of its elbows offers some clues to its behavior and calls into question a commonly accepted reason for its extinction, researchers report in the journal Biology Letters.
Though their stone tools seem similar to those of modern humans who started to enter Europe from Asia around 35,000 years ago, they ceased to flourish and abruptly disappeared throughout their home range around 28,000 years ago, leaving no clues in the archaeological record as to the reason for their extinction.
The reason for their extinction is unclear.
One of the largest questions that remain is the reason for the extinction of ichthyopterygians.
A possible reason for the extinction of large representatives of the mammoth fauna is the reduction of their migration ability.
Woods suggests a reason for their extinction: "Taxa evolving in isolation on oceanic islands without competition or predators may not be able to adapt to rapidly changing conditions, such as the extensive climatic fluctuations of the Ice Ages or sudden competition or predation from introduced animals".
Therefore, toxicity for cells was not the reason for FMDV extinction, as further supported by survival and increased replication of FMDV mutant M296I upon passage in the presence of 5 mM R (Fig. 1B).
