Defintion of spcies.
A definition of species from my textbook "Evolution - Third Edition By Matt Ridley"
Species: An important classificatory category, which can be variously defined by the biological species concept, ecological species concept, phenetic species concept, and recognition species concept. The biological species concept, according to which a species is a set of interbreeding organisms, is the most widely used definition, at least by biologists who study vertebrates. A particular species is referred to by a Linnaean binomial, such as Homo sapiens for human beings.
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. "
- Carl Sagan
"Tantum eruditi sunt liberi"
"We are all in the gutter, but some of us are looking at the