Study Guides (333,009)
CA (147,134)
York (11,572)
GEOG (74)
Midterm

GEOG 1400 Study Guide - Midterm Guide: Scattered Trees, Succulent Plant, Allele

4 pages124 viewsWinter 2013

Department
Geography
Course Code
GEOG 1400
Professor
Taly Drezner
Study Guide
Midterm

This preview shows page 1. to view the full 4 pages of the document.
Physical Geography 1400 Study notes
Coral Reefs stay within the equator
Kelp stay near colder water
Species range is limited by a number of environmental factors
Exp. Temperature and salinity
Includes all biotic (living) and abiotic (nonliving)
Niche Concept
The specific area where an organism inhabits
The role or function of an organism or species in an ecosystem
The interrelationship of a species with all the biotic and abiotic factors
affecting it
Potential ranges- (including invasive species)
Environments where a species could live
Zebra mussels in the 5 great lakes an invasive specie
Asian long-horned beetle
Actual Range: (where the species actually live)
Areas of natural occurrence
Barriers may restrict spread of habitat areas
Dandelions can live anywhere
Endemic:
Restricted to a geographical area
Taxon:(Taxa, plural)
Groups of organisms that area related to each other
Distjunct distributions:
Animals that are scattered all around the world in different places (cant
beside by side)
Fairly recent common ancestors (alligators, Crocodiles)
May have been continuous in the past but discontinuous now.
Dispersal:
Movement or spread of seed to new location
Pregnant female or mating pair can start new life
Vicarine:
Population split by outside forces
Splitting continents from shifting plate tectonics (extinctions may have
caused)
Rising mountains
Climate change
Rising and falling sea levels
Evolutionary relicts:
Once widespread and now out competed
Magnolias today (threated to be extinct)
Glacial Relicts:
You're Reading a Preview

Unlock to view full version


Loved by over 2.2 million students

Over 90% improved by at least one letter grade.