Find out how earwigs, elephants, poppies and flamingos are all related! Life processes - Living things in their environments - Evolution Learning Points All life descended from a simple organism. Species adapt to their environments. Evolution is the gradual change of species over many generations. 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.