According to the theory of punctuated equilibrium, which event could lead to speciation?

The chemical form of energy that is useable by the cell to do work

Which step is not included in the step approach to calculating the greatest common divisor?

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?