natural selection evolution

Honelako gehiago

Terrorism

Johanna Lai‑k egina

Batminton 3c celia

Celia Asencio‑k egina

Fundamental immunology

suratwadee kaewlae‑k egina

Logo Design Process

Glenn Chestman‑k egina

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