Through mutations in DNA. If a mutation is beneficial and helps the organism survive it is passed on to the next generation which leads to the evolution of a species causing it to change.
Evolution is a change in species over time.
Species not always change over time such sponges :D
Evolution is the change in species over long periods of time.
A gradual change in life-forms over time is organic evolution.
Adaptation is when a species is able to change over time to new changes in their environment.
Evolution
It's Evolution
Evolution
evolution
evolution
A gradual change in life-forms over time is organic evolution.
A gradual change in life-forms over time is organic evolution.