Extinction
Published on Nov 20, 2015
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PRESENTATION OUTLINE
What is Extinction ?
Photo by Yos C. Wiranata
Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. This is a natural part of evolution.
Photo by blentley
What has caused Extinction
Photo by Yos C. Wiranata
Humans can cause extinction of a species through over harvesting, pollution, habitat destruction, over hunting and other influences.
Photo by blentley
Animals that are Extinct
Photo by Yos C. Wiranata
West Africa Black Rhinoceros,
Passenger pigeon,
Sea Mink,
Tasmanian Tiger,
Tecopa pupfish,
and the
Javan Tiger.
Photo by blentley
Natural Disasters
Photo by ecstaticist
What is a Natural Disaster?
Photo by ecstaticist
A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, volcanic eruptions, earthquakes, tsunamis, and other geologic processes.
Photo by DeeAshley
How are natural disasters caused ?
Photo by ecstaticist
Most natural disasters are caused by weather.
Some kinds of disasters are more common in some places than in others. When people are choosing a place to live they need to consider whether they will live on a fault line for an earthquake or near a river that has a history of flooding.
Photo by DeeAshley
