Practise explaining how climate change, habitat destruction, hunting, overharvesting, pollution and introduced species threaten populations.
Many species of spider are thought to be endangered.
State three reasons why animal species such as spiders become endangered.
1
2
3
hunting / collecting / AW ;
pollution ;
pesticide(s) / insecticide / (chemical) spray(s) that kill animals / poisons ;
loss of habitat / any example ;
disease ;
increased competition / described ;
increase in predator(s) ;
climate change / any example ;
lack of food / loss of prey species ;
AVP ;