Speciation: Where one population becomes two
Biological Species concept:
-A group of populations whose members
-Have potential to interbreed in nature
-And produce fertile offspring
What are some problems with the biological species concept?
-Some life on earth breeds asexually
How else might define a species?
-Observable physical traits
-Asexual organisms and fossils
Ecological species concept:
-Defines a species by its ecological role or niche