Yet when they are brought together artificially, they can interbreed. Such hybrids are called tions and ligers. Do they challenge the definition of species? Not really. The key words are ...

Selective breeding is when organisms are deliberately ... For example, animals called ligers are produced when a male lion and a female tiger reproduce. Tigons are produced when a female lion ...

Yet when they are brought together artificially, they can interbreed. Such hybrids are called tions and ligers. Do they challenge the definition of species? Not really. The key words are ...