第1个回答 2012-04-21
We love animal As a result of human destruction, and loss of habitat and other factors. The earth is on the brink of extinction of proportion is growing at an alarming rate. Before industrial society, birds on average every 300 years an average extinction, extinction of mammals in 8000a. But since the industrial society, earth species extinction rate has exceeded the natural extinction rate 1000 times. The whole world1 \8\4plants,1mammals,1birds,9reptiles,1 \5,1 \4\3amphibious animal,1fish, are on the verge of extinction.