When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
How do new species evolve?. His successors thought that new species arise from the gradual accumulation of random mutations of DNA. They show that speciation events are not, in fact, rare or hard to observe.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.