All animals have certain needs. They all need food, water, air, and a place to live. Animals live in places where their are met. One very important need animals have is . Food gives an animal . Animals cannot make their own food. They get the food they need from eating other living things. Animals are Animals need because it contains oxygen. Animals need because all animals are made up mostly of water. Water also helps the body use food, and rids the body of wastes. Animals also need a place to live. This place is called a .