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THE DIGESTIVE SYSTEM: CLASSIFICATION OF MAMMALS BASED ON THEIR DIET

  1. Herbivores
  2. Carnivores and
  3. Omnivores

 

Herbivores

These refer to all the animals that feed on plants or plant-based materials. Examples include grasshoppers, goat, cow, grass cutter etc. They are primary consumers. They all feed on low vegetation such as grass. Giraffes and elephants feed on taller plants or shrubs. Herbivores such as rabbits and guinea pigs use very sharp incisors to cut shoots or browse, feed on roots and bark. Other animals like antelopes, cows and goats pull up grass using the lower front teeth and pad on the front of the upper jaw. The pad is called Diastema. Some herbivores such as elephants use a specialized organ (the trunk) to pull leaves, bark and branches off trees.

Carnivores

These are animals that feed majorly on flesh or bones and other animals. They are referred to as secondary consumers. Some examples are fishes that eat aquatic insects and other fishes, toads and reptiles (Snakes, lizards, wall gecko), cats, dogs, and lions.

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