The diagram below show the development of the horse over a period of 40 million years The evolution of the horse with particular emphasis on the changing foot structure

Given is the graph depicting evolutions of horses from 40 million years ago to this day and age.
It is perceptible that it took 40,000 centuries for the ancestor of horses to develop to the modern shape. The Horse has the strongest leg structure while the Eohippus’s leg is the weakness.
Eohippus existed in the early stage of the Earth, this animal possessed a small body, especially, its legs have the same structure as human beings nowadays-distinct with each other but have sharp claws . In the next 10 million year-period, Eohippus had become much bigger and people called by the name Mesohippus, but the most remarkable ident was the foot. Moreover, two of five toes vanished from its foot, and claws were also bigger.
After being a prevailing horse, there was another stage of development. Scientists called the Mesohippus after 15 million years by the name Merychippus.However, there was almost no changes in the total structure except the middle toe was more clear and easy to see by sight. It is conspicuous that the modern horse has the most robust body, and the feet now are very concrete with just one big toe , therefore, it is suitable with the prevailing surroundings.

Votes
Average: 7.8 (1 vote)

Grammar and spelling errors:
Line 3, column 203, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Don't put a space before the full stop
Suggestion: .
...nct with each other but have sharp claws . In the next 10 million year-period, Eoh...
^^
Line 4, column 152, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: However
...5 million years by the name Merychippus.However, there was almost no changes in the tot...
^^^^^^^
Line 4, column 397, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
... are very concrete with just one big toe , therefore, it is suitable with the prev...
^^

Transition Words or Phrases used:
also, but, however, moreover, so, therefore, while

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

Performance on Part of Speech:
To be verbs : 12.0 7.0 171% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 7.0 6.8 103% => OK
Relative clauses : 2.0 3.15609756098 63% => OK
Pronoun: 10.0 5.60731707317 178% => Less pronouns wanted
Preposition: 23.0 33.7804878049 68% => 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: 992.0 965.302439024 103% => OK
No of words: 201.0 196.424390244 102% => OK
Chars per words: 4.93532338308 4.92477711251 100% => OK
Fourth root words length: 3.76529505866 3.73543355544 101% => OK
Word Length SD: 2.89748150353 2.65546596893 109% => OK
Unique words: 127.0 106.607317073 119% => OK
Unique words percentage: 0.63184079602 0.547539520022 115% => OK
syllable_count: 299.7 283.868780488 106% => OK
avg_syllables_per_word: 1.5 1.45097560976 103% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 1.53170731707 326% => Less pronouns wanted as sentence beginning.
Article: 1.0 4.33902439024 23% => OK
Subordination: 1.0 1.07073170732 93% => OK
Conjunction: 3.0 0.482926829268 621% => Less conjunction wanted as sentence beginning.
Preposition: 2.0 3.36585365854 59% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 9.0 8.94146341463 101% => OK
Sentence length: 22.0 22.4926829268 98% => OK
Sentence length SD: 51.5244158831 43.030603864 120% => OK
Chars per sentence: 110.222222222 112.824112599 98% => OK
Words per sentence: 22.3333333333 22.9334400587 97% => OK
Discourse Markers: 5.55555555556 5.23603664747 106% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 3.0 1.69756097561 177% => OK
Sentences with positive sentiment : 4.0 3.70975609756 108% => OK
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 5.0 4.09268292683 122% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.268852504394 0.215688989381 125% => OK
Sentence topic coherence: 0.101367786511 0.103423049105 98% => OK
Sentence topic coherence SD: 0.0662948259258 0.0843802449381 79% => OK
Paragraph topic coherence: 0.166847662543 0.15604864568 107% => OK
Paragraph topic coherence SD: 0.0508530825656 0.0819641961636 62% => OK

Essay readability:
automated_readability_index: 13.0 13.2329268293 98% => OK
flesch_reading_ease: 57.61 61.2550243902 94% => OK
smog_index: 8.8 6.51609756098 135% => OK
flesch_kincaid_grade: 10.7 10.3012195122 104% => OK
coleman_liau_index: 11.67 11.4140731707 102% => OK
dale_chall_readability_score: 8.03 8.06136585366 100% => OK
difficult_words: 42.0 40.7170731707 103% => OK
linsear_write_formula: 11.0 11.4329268293 96% => OK
gunning_fog: 10.8 10.9970731707 98% => OK
text_standard: 11.0 11.0658536585 99% => OK
What are above readability scores?

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Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 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.