Of these species he commented: "The species composition and physical appearance were greatly modified by the activities of a single native species high in the food web. These individual ...

Barriers to reproduction. Under the commonly used ‘Biological Species Concept' (Mayr 1942), the formation of new species involves the evolution of reproductive barriers to the production of ...

Find out the different ways scientists have of describing what species are, how they form and how many there are on Earth. The most common definition of a species is that a species is a group of ...

The journey ends with modern humans as the only surviving human species in the world today. Along the way, visitors can see star specimens from the Museum collections, and get to grips with some of ...

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 Department of Biological Sciences treats the life sciences in all their breadth and diversity, including the study of molecules, cells, whole organisms, ecosystems, plants, animals and ...

Canopy gaps in a mixed floodplain forest have a direct effect on forest soil temperature and moisture, but only have a minor impact on soil biological activity. Canopy gaps in a mixed floodplain ...

The current extinction crisis is entirely of our own making. More than a century of habitat destruction, pollution, the spread of invasive species, overharvest from the wild, climate change, ...

Human activities are destroying the ... the executive secretary of the Convention on Biological Diversity. "We're the most dangerous species in global history." Getty Images The destruction ...

This involves respecting, protecting, and repairing our biological wealth ... the number of species is being significantly reduced by certain human activities. Given the importance of public ...

The Department of Biological Sciences maintains an active graduate program leading to the master of science degree in biological sciences and offers opportunities for original work in a wide variety ...