mapping today

Cosmopolitan
- a taxon that is widely distributed throughout the world
- species with large geographic ranges
- found on most continents
Pantropical

taxon occurs in the tropical regions on all the major continents
Circumpolar
taxon occurring on every continent in mid-high latitudes
- circumboreal - northern hemisphere
- circumaustral - southern hemisphere
Disjunct

a taxon that has two (or more) ranges that are geographically isolated
Relict
a taxon that was once widespread but now is restricted to only a few areas
- Why?
- evolutionary relict
- climatic relict (glacial relict)
Biogeographical realms

areas of similar plants (flora) or animals (fauna)
Kinds of plants/animals on each continent influenced by:
- history of origin (when & where)
- breakup of continents
- climate changes
Nearctic

North America & Greenland
Palaearctic

Eurasia & northern Africa
Neotropical

Central and South America
Afrotropical

Africa
Indo-melay

Indian subcontinent, SE Asia, & islands south
Australian

Australia, New Zealand, New Guinea & islands north

Author

kamrunsreno

17303

Card Set

mapping today

Description

NRES final

Updated

2010-05-02T23:13:24Z