1. Decreasing number of animal and plant species

2. Extinct species A flightless bird lived on the island of Mauritius Extinct in 1681 Bigger than a turkey, weighed about 23 kg Decreasing number of animal and plant species Example 1: Dodo with a big head, 23 cm beak, small useless wings, stout yellow legs

3. Decreasing number of animal and plant species Example 2: Tasmanian tiger The last Tasmanian tiger was died in 1936 The tigers were shot dead on sight because they were seen as a direct threat to stock

4. Endangered species Example 1: Panda Fewer than 1000 living in the wild Their numbers are falling because: Decreasing number of animal and plant species loss of habitat due to agriculture and logging illegal hunting

5. Example 2: Dolphin Only about 120 found in Hong Kong waters Their numbers are falling because: Decreasing number of animal and plant species loss of habitats (water pollution due to reclamation for the new airport)

6. More and more wildlife are nearly extinct for two reasons: 1Humans hunt and kill wildlife Decreasing number of animal and plant species

7. 2Humans destroy the natural environment Decreasing number of animal and plant species