Why do giraffes have long necks? Answers to 25 animal evolut

Evolution has shaped life since its emergence, progressing for more than 2 billion years before the first animals evolved from their primal ancestors.

Related Keywords

Guinea , United States , Greenland , Antarctica , Australia , America , Steve Rupp , Bernd Schierwater Wikimedia Commons , Kandarp Shutterstock , Catmando Shutterstock , Maciej Olszewski Shutterstock , Eugene Troskie Shutterstock , Ddstock Shutterstock , Olga Visavi Shutterstock , Arctic Shutterstock , Rudmer Zwerver Shutterstock , Volodymyr Burdiak Shutterstock , Susan Flashman Shutterstock , Oleg Znamenskiy Shutterstock , Rebecca Schreiner Shutterstock , Charles Darwin , Lisa Hagan Shutterstock , National Science Foundation , National Science , South America , North America , New Guinea , Scientific Reports ,