Pages Tagged with Biogeology

**Allopatry** is an ecological and biogeological term that signifies that groups of organisms live in separate not overlapping geographical areas. For instance, two populations of the same species living on …

**Parapatry** is a term from ecology or biogeography that describes the relationship between groups of organisms whose ranges are adjacent but not significantly overlapping. Two plant species are **parapatric** if …

**Patricity** is a newly created term that describes the degree by which the ranges of two sets of organisms overlap. Patricity embraces the terms allopatry, peripatry, parapatry, and sympatry that …

**Peripatry** is a term from ecology and biogeography that describes the relationship between groups of organisms whose ranges are adjacent but not overlapping. For instance, two plants are **peripatric** if …

**Speciation** is the generation of a new species by evolution. It is generally assumed that speciation is the result of isolation as observed by Darwin and Wallace on separate islands, …

**Sympatry**, is a term from ecology and biogeography that constitutes the same or significantly overlapping distributions of different sets of organisms. We call two species **sympatric** if they inhabit the …