BI301 Lecture 1: Final Exam- Cheat Sheet BI301
Document Summary
Density overcomp body size: small animals become big, big animals become small dwarfism vs gigantism body size proportial to island size, small animals 3 ecological factors immigration slection, intensified introspection completion, ecological release from large competitors large animals 3 ecological facts: ecological release from predators, intensified intraspecific completion, resource limitation specialization big islands have mores species and genera greater variety bs island endemics reduced dispersal abilities lack extension aid, only island close to source have the expected # of species distance increases mammal species richness decrease. Plants: diff strong bet aus and n zeal for both: ssa and nsa have diff biota animals (inferred dispersal) plants (terminal) ocean currents dispersal sa dispersal role in vicariance plants less linked to gwl breakup than animals nsa more tropical ssa temperate n s internally connected ecologically diva (dispersal vicariance analysis) adjusted cost vd=0 ed= 1. 0 fossil rcords: decay(658 nuclear genes) phylogeography cladistics anaylsis, mitochondrial dna rapid mutation recents events evolutionary history.
