Thursday, 1 December 2011

Importance of Survival

Animals need food to survive. One animal species is a source of food to another. For examples, eagles eat snakes. If snakes do not survive, there will be shortage of food for eagles. The eagles may become extinct.

Different animals eat different types of food. Animals can be classified into three categories according to the food they eat.

a) Herbivores

Herbivores are animals that eat only plants and plants material. These animals are usually smaller than carnivores. Herbivores may eat leaves, berries, roots or even tree bark. Examples of herbivores are giraffes, sheeps, rabbits, cows, horses and elephants.

b) Carnivores

Carnivores are animals that eat only meat. These animals are usually fairly large and they have to eat other animals in order to obtain enough energy. Some carnivores eat insects and bugs, small animals, while other carnivores eat bigger animals. Examples of carnivores are wolves, lions, eagles, cheetahs and tigers.
c) Omnivores 

Omnivores are animals that can eat both plant material and meat. They can get their food more easily than other animals because they can eat more types of food then either herbivores and carnivores. Examples of omnivores are chickens, bears, pigs, turtles and chimpanzees. 

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