Using various resources such as your school library or the internet and discussions with your teacher, trace the evolutionary stages of any one animal say horse.
The evolution of horse began out with Eohippus for the duration of Eocene period. It concerned the subsequent evolutionary stages. (i) Gradual boom in frame size (ii) Elongation of head and neck region(iii) Increase withinside the duration of limbs and feet (iv) Gradual discount of lateral digits (v) Enlargement of 0.33 useful toe (vi) Strengthening of the back (vii) Development of mind and sensory organs (viii) Increase withinside the complexity of tooth for feeding on grass The evolution of horse is represented as(i) Eohippus It had a brief head and neck. It had 4 purposeful feet and a splint of one and five on every hind limb and a splint of one and three in every forelimb. The molars had been brief topped that had been tailored for grinding the plant diet. (ii) Mesohippus It become barely taller than Eohippus. It had 3 feet in every foot. (iii) Merychippus It had the dimensions of about a hundred cm. Although it nevertheless had 3 ft in every foot, however it can run on one toe. The aspect toe did now no longer contact the ground. The molars have been tailored for chewing the grass. (iv) Pliohippus It resembled the cutting-edge horse and turned into round 108 cm tall. It had a unmarried useful toe with splint of 2 nd and 4 th in every limb. (v) Equus Pliohippus gave upward push to Equus or the present day horse with one toe in every foot. They have incisors for slicing grass and molars for grinding food.
