Question

Gradualism and punctuated equilibrium are 2 models illustrating the pace of evolution. It is pretty common to

see a fossil record in which the fossils obtained show a direct link between species showing evolution taking place.

However, there have been occasions in which there is no link; there seems to be a gap. Explain why punctuated

equilibrium is the better model to explain this

Answer 1

•Gradualism and punctuated equilibrium are two ways in which the evaluation of a species can occur.

•A species can evolved by only one of these, or by both.

•Species with a shorted evolution evolved mostly by punctuated equilibrium.

•Species with longer evolution evolved mostly by gradualism.

•Gradualism is selection and variation that happens more gradually. Over a short period of time it is hard to notice

•In punctuated equilibrium, the changes comes in spurts. There is a period of very little change and the one or full huge change occur, often through mutation in the genes of a few individuals.

•Punctuated equilibrium is an important but often misinterpreted model of how evolutionary change happens.

•Punctuated equilibrium does not suggests darwin's theory of evolution by natural selection is wrong