BIO120H1 Chapter Notes - Chapter 3: Streams, Ocean Acidification, Northern Hemisphere
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BIO120H1 Full Course Notes
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The american serengeti twelve centuries of change in the great plains: a case. The great plains, bears little resemblance to the serengeti. If not for a series of important environmental changes, however, the two ecosystems might superficially look very similar. Temperate and high latitude biological communities have been subjected to natural, long term climate change, leading to latitudinal or elevational shifts in their positions and species composition. The animal inhabitants of those earlier grasslands were strikingly different from today s. As the extensive grasslands of the great plains were developing, many of the large mammals of. Nearly all the animals that went extinct belonged to the same group: large mammals. Hypotheses have been proposed to account for the disappearance: Changes in the climate during the extinction period were rapid and could have led to changes in habitat or food supply that would have negatively affected the animals.
