GEOG 1220 Lecture Notes - Lecture 2: United Nations Environment Programme, Non-Governmental Organization, Unit
16 Dec 2015
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Document Summary
Humans may have started a sixth mass extinction. Today"s ongoing mass extinction is different in 3 primary respects. It may be happening even more rapidly than the previous big five mass extinctions. To measure and quantify this degredation, scientists at the world. We, as a species have spent 99% of our time on earth as hunter- The paleolithic age is often divided into lower and upper paleolithic. Lower the early diet of these people generally contained as much plant material as was necessary and as much animal flesh as they could get. It is likely that these people put very little stress on the world natural resources. Humans changed from passive scavengers to strategic hunters. Upper farming became more widespread and small villages (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) started appearing. The neolithic or late stone aged people understood flora and fauna. Domesticated animals like sheep and goats began to replace the wild gazelle as a primary source of food.
