BIOL 3130 Study Guide - Comprehensive Final Exam Guide - Zygosity, White Hole, Species Problem
20 Nov 2018
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Document Summary
Extinctions, altered functioning of ecosystems, reduced availability of resources, soil erosion. Humans "may" have been responsible for mega-fauna extinctions in the. Americas shortly after human colonization from asia ~11,000 years ago. Aristotle (382-334 bc) commented on the widespread destruction of forests in the baltic region. Barren landscapes of turkey, syria, iraq and iran are unnatural deserts that resulted from mass exploitation of fragile woodlands. Deforestation of europe by the early 18th century, forest areas maintained as private game management and royal preserves. In great britain, many forests were gone by 12th century. Southeastern ontario was largely deforested between 1800-1900 (trend has been reversing since wwii) A gradual landscape change results in profound transformations. Half of hawaii"s native birds went extinct soon after polynesians arrived. Half of the remaining species of birds went extinct after captain. We consume a large fraction of the planets resources.
