The diagrams below show the development of the horse over a period of million years

The image represents the evolution of horses in 40 million years. It is clear that there were a lot of changes in the structure, height and in the foot structure.

First of all, the most visible changing is in the height of the horses. They grew a lot between 40 million years ago and modern ages. At the same time, their tail became longer and happeared the hair on their neck. The face became longer between 40 million years ago and 30 million years ago becoming more similar to the modern horse.

Another important change is in the foot structure. The Eohippus, the 40 million years ago one, presented a long five-finger foot, then it started change with the Mesohippus who lost two fingers, because of the union of the central fingers, and they became shorter. The next type of horse is the Merychippus who showed a middle finger who is longer than others and in conclusion there is the modern horse which don't have fingers, but have a unique finger called hoof.

All this changes can be related to the different use of horses in the modern ages. They are utilized to ride them or in the agriculture, so they have to be bigger, higher and stronger than the past horses.

Votes
Average: 6.3 (2 votes)

Grammar and spelling errors:
Line 5, column 411, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
...clusion there is the modern horse which dont have fingers, but have a unique finger ...
^^^^

Transition Words or Phrases used:
but, first, if, so, then, in conclusion, first of all

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 10.0 7.0 143% => OK
Auxiliary verbs: 1.0 1.00243902439 100% => OK
Conjunction : 9.0 6.8 132% => OK
Relative clauses : 5.0 3.15609756098 158% => OK
Pronoun: 11.0 5.60731707317 196% => Less pronouns wanted
Preposition: 26.0 33.7804878049 77% => OK
Nominalization: 1.0 3.97073170732 25% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 975.0 965.302439024 101% => OK
No of words: 212.0 196.424390244 108% => OK
Chars per words: 4.59905660377 4.92477711251 93% => OK
Fourth root words length: 3.81578560438 3.73543355544 102% => OK
Word Length SD: 2.3198101698 2.65546596893 87% => OK
Unique words: 111.0 106.607317073 104% => OK
Unique words percentage: 0.52358490566 0.547539520022 96% => OK
syllable_count: 297.9 283.868780488 105% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 1.53170731707 261% => Less pronouns wanted as sentence beginning.
Article: 6.0 4.33902439024 138% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 2.0 0.482926829268 414% => Less conjunction wanted as sentence beginning.
Preposition: 2.0 3.36585365854 59% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 11.0 8.94146341463 123% => OK
Sentence length: 19.0 22.4926829268 84% => The Avg. Sentence Length is relatively short.
Sentence length SD: 52.4965170037 43.030603864 122% => OK
Chars per sentence: 88.6363636364 112.824112599 79% => OK
Words per sentence: 19.2727272727 22.9334400587 84% => OK
Discourse Markers: 4.81818181818 5.23603664747 92% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 1.0 1.69756097561 59% => OK
Sentences with positive sentiment : 3.0 3.70975609756 81% => OK
Sentences with negative sentiment : 1.0 1.13902439024 88% => OK
Sentences with neutral sentiment: 7.0 4.09268292683 171% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.121552174676 0.215688989381 56% => OK
Sentence topic coherence: 0.0502336785878 0.103423049105 49% => OK
Sentence topic coherence SD: 0.0676917857021 0.0843802449381 80% => OK
Paragraph topic coherence: 0.0794034784935 0.15604864568 51% => OK
Paragraph topic coherence SD: 0.039726449281 0.0819641961636 48% => Paragraphs are similar to each other. Some content may get duplicated or it is not exactly right on the topic.

Essay readability:
automated_readability_index: 9.9 13.2329268293 75% => Automated_readability_index is low.
flesch_reading_ease: 69.11 61.2550243902 113% => OK
smog_index: 3.1 6.51609756098 48% => Smog_index is low.
flesch_kincaid_grade: 8.3 10.3012195122 81% => OK
coleman_liau_index: 9.4 11.4140731707 82% => OK
dale_chall_readability_score: 7.33 8.06136585366 91% => OK
difficult_words: 37.0 40.7170731707 91% => OK
linsear_write_formula: 6.0 11.4329268293 52% => Linsear_write_formula is low.
gunning_fog: 9.6 10.9970731707 87% => OK
text_standard: 10.0 11.0658536585 90% => OK
What are above readability scores?

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Rates: 56.1797752809 out of 100
Scores by essay e-grader: 5.0 Out of 9
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.