Extinction of Australian species

Recent problems:

• several species of  are at risk because of increased housing
• many animals, especially  are affected by pesticides
• production of single crops like  is harming wildlife

Endangered animals:

• can be influenced by the  (e.g. the panda)
• people are less concerned about smaller animals, e.g. 
• some animals are ignored because they are viewed: with  as our  in terms of food, with disgust

Reasons for preventing extinction:

• the ecosystem needs to be  to be stable
• some types of  can help to signal environmental issues
• cobwebs help with medical disorders related to