Catégories : Tous - fitness - fossils - competition - evolution

par tatiana smith Il y a 5 années

279

natural selection evolution

The process of natural selection explains how species evolve over time through gradual changes. Key to this concept is the idea that organisms produce more offspring than can survive, leading to competition for limited resources.

natural selection evolution

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