A species is a group of living organisms that are all broadly similar and can, at least in principle, breed with one another. This seems straightforward enough, but the word “species” is ...

This is known as the biological species concept. This species definition divides up animals, plants and other forms of life into groups based on their reproduction. For example, deer species such as ...

One prominent debate centers on whether shared reproduction-under the Biological Species Concept-is a more useful criterion for identifying species than shared features of organisms-under the ...

Ironically, one great unsolved problem in Darwin's master work, On the Origin of Species, was just that: How and why do species originate? Darwin and his later followers were faced with a seeming ...

The Trump administration plans to eliminate habitat protections for endangered and threatened species in a move ...

The concept of conservation biology was introduced ... The main goal is to establish workable methods for preserving species and their biological communities. Specific methods have been developed ...