Tagged: The species

Mutation 0

The origin and kinds of mutation

How does the mutation occur ? Mutation is a change in the nature of the hereditary factors that control the traits of a living organism which results in a change in the living organism’s...

The taxonomy 0

The taxonomy and the species

The species The species is a group of more similar living organisms in the shape that can reproduce to give birth of the new fertile individuals which are able to reproduce and keeping the...

The dinosaurs extinction 0

The causes of the old and recent extinction

The scientists witnessed five mass extinctions , And some scientists believe that we live the sixth extinction age ( The Recent Extinction ) , where the rate of the extinction is 40 times larger...