Species

Species

• Group of organisms that can breed with each other and produce fertile (produce own offspring when adults) offspring
• Some species can interbreed and produce hybrid offspring, but usualy these hybrids are sterile (cannot produce offspring of their own)

This definition of a species can cause problems:

Some organisms from closely relatied species can interbreed and produce hybrid offspring that are fertile -------> For example, tigers have been bred with lions in zoos to produce fertile hybrids called tigons or…