Activity 2 (Why Do Some Animals Die Out ? )

In " Why Do Some Animals Die Out ? " article , the writer discusses the reasons of the extinction' s of some animals . The first reason is people who spreading over the land resulted in destruction of animal's homes such as Hawaiian birds . The second reason is hunteres who killed so many animals that are extinct , presently . Another reason is pollution that caused some animals to become rare and may die out . The last reason is the changes in climate that affected the food , which cannot grow in some places , any more . This caused some animals to die because they cannot adapt to the new environment .