This is an IELTS writing task 1 sample answer essay on the topic of the evolution of the horse.

The diagram elucidates a natural process in which how have horses been evolutionised. At a cursory glance, it is clear that the evalutionary process has been taking plce since 40 million years. Additionally, hen compare the evolutionary process, every stage the animal were exibited distinguishable features. With regarding first two stages, in the beginning, 40 miilion ago, there was a species that was called eohippes, which was small in size and its foot had four separated phalange; however, this creature astonishingly nowhere near to current horses. Mcrychippuses, which was the second stage of evolution) had appeared by 15 million years from now and this experienced a gradual transformation including sprouting of manes, elongated tail and phalanges were slightly fused to three from four. After fifteen years, the animal were called mcryhippos, which was almost similar to present hourse, especially, the size and mane; the fusion of foot was continued and now, the middile was elongated. Finally, horses, its hind lengs are so sharp; mane, well-developed; finger, fused.