Question

During the evolution of organisms there are some cases described as DE-EVOLUTION. Discuss two organisms that have undergone the evolution.

At least 5+ complete sentences.

Thank you for your help

Answer 1

The idea of devolution is based on the presumption of orthogenesis the view that evolution has a purposeful direction towards increasing complexity.

Devolution or backward evolution is more primitive forms over time .

It is a concept which is related to the idea that feet might be better than hooves or lungs then gills however evolutinary biology make no such.

It is possible for small changes (such as in the frequency of single gene ) to reversed by chance or selection.

Louis dollo ,denies the possibility of devoletion

Ex human have developed to have much smaller brains.

Rate of genetic deletion exceeds insertion such that genome tend in reduce in size.