The abruptness seen in the Cambrian explosion can also be seen on smaller scales throughout the fossil record.
Fom the standpoint of empirical science, continued claims that the evidence for evolution is “incontrovertible” might be better termed one long bluff.
Swedish scientist Arne Müntzing used two plant species to make a hybrid that underwent chromosome doubling to produce hempnettle, a member of the mint family.
According to evolutionary biologist Thomas Cavalier-Smith, the idea that DNA contains all the information needed to make an organism “is simply false.”
When the drought ended and the rains returned, however, food was plentiful, and the average beak size returned to normal.