2.  http://www.bbc.co.uk/nature/collections/p0 085njx http://www.bbc.co.uk/nature/collections/p0 085njx

3.  What is extinction?  Why are extinction rates rising?  What activities by humans are leading to loss of biodiversity?

4.  Human populations have increased in size rapidly  Humans are consuming more of the Earths resources and creating more waste.

5.  Clearing natural vegetation to grow food leads to habitat reduction and loss of biodiversity  Hunting animals for food or sport reduces wild populations

6.  Pest control  Introduction of non native species  Pollution

7.  Active intervention or management to preserve or restore habitats or individual species

8.  What type of arguments are these?  Wild organisms are useful for design solutions, new drugs or new commercial molecules.  The natural environment is beautiful and gives people pleasure and relief from stress.  Animals and plants have a right to exist. They have adapted perfectly to their niche.  Natural habitats form and preserve soil, regulate the proportion of gases in the atmosphere, contribute to the water cycle, recycle nutrients and provide crop pollinators.