Natural Selection - Survival of the Fittest

Darwin's theory of Natural Selection reveals an intense struggle for existence: a constant fight between individuals, species, and their physical environment, where only the fittest survive. Biology - Adaptation And Evolution - Learning Points. Natural selection is nature's way of ensuring the fittest survive. Individuals vary, and these variations are inherited. Those most suited to their environments survive and go on to reproduce. In this way the genes most necessary for survival are passed on from generation to generation. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.