ENV 3120 Lecture Notes - Lecture 5: Norse Funeral, Escalator, Knee Examination
17 Jun 2019
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By fumigating an island and recording what organisms appeared. Name and describe the 4 types of dispersal mechanisms that operate on biological time scales. Corridor - some organisms distributed to multiple locations. Filter bridge - allowing for the transportation of a select amount of organisms. Sweepstakes - random chance to relocate an organism. Name and describe the 3 types of dispersal mechanisms that operate on geologic time scales. Noah"s ark - land moves with living organisms residing on land, transports them. Viking funeral - already dead animals on moving land. Escalator - organisms younger than the piece of land they are on. Give an example of each of the previously mentioned dispersal mechanisms. Filter bridge and also barrier - panamacebus, beringia (what humans went across during ice age) Viking funeral ship - india (for the dead things) america"s west coast.
