natural selection evolution

Mer som dette

Charles Darwin 1809-1882

Ved Deenah mohamed

Darwin

Ved Nada Amin

INTRODUCTION TO BIOLOGY

Ved Joyce Ositelu

Musica Electronica

Ved david blanco

natural selection evolution

evolution

Darwin

galapagos islands

Finches

beaks

proof

vestigial structures

embryology

fossils

Whale Bones

slow change over time

new species

natural selection

reproductive success

fitness

competition

limited resources

Organisms produce more offspring than can survive

environmental factors

genetic variation