The diagrams below show the development of the horse over a period of 40 million years.

The given pictures indicate the horse and its foot have evolved in 40 million years.
The first recorded time is shown in 40 million years ago, Eohippus was far smaller than the modern horse, and its foot was structured in four developed toes. The Following 10 million years, it has evolved in Mesohippus, its head, limbs, tails had grown much bigger, and it started to grow hair behind its neck, whereas the foot had changed to one main toe and two minor ones. In 15 million years from now, Merychippus was evolved by Mesohippus, it started to develop its knees and hips, as well as a big pattern of main toe and two separated toes. Finally, it have become the modern horse, its body had increased much larger, and surprisingly, its foot became one principle structure with an extra joint.
To sum up, the process is shown by eight diagrams within four different time label.

Votes
Average: 6.1 (1 vote)
Essays by the user:

Grammar and spelling errors:
Line 2, column 159, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
... was structured in four developed toes. The Following 10 million years, it has evol...
^^^
Line 2, column 561, Rule ID: IT_VBZ[1]
Message: Did you mean 'has'?
Suggestion: has
...toe and two separated toes. Finally, it have become the modern horse, its body had i...
^^^^
Line 3, column 78, Rule ID: CD_NN[1]
Message: Possible agreement error. The noun 'label' seems to be countable, so consider using: 'labels'.
Suggestion: labels
...ght diagrams within four different time label.
^^^^^

Transition Words or Phrases used:
finally, first, if, so, well, whereas, as well as, to sum up

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

Performance on Part of Speech:
To be verbs : 5.0 7.0 71% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 7.0 6.8 103% => OK
Relative clauses : 0.0 3.15609756098 0% => OK
Pronoun: 11.0 5.60731707317 196% => Less pronouns wanted
Preposition: 17.0 33.7804878049 50% => More preposition wanted.
Nominalization: 0.0 3.97073170732 0% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 727.0 965.302439024 75% => OK
No of words: 155.0 196.424390244 79% => More content wanted.
Chars per words: 4.69032258065 4.92477711251 95% => OK
Fourth root words length: 3.52844152537 3.73543355544 94% => OK
Word Length SD: 2.33316584305 2.65546596893 88% => OK
Unique words: 95.0 106.607317073 89% => More unique words wanted.
Unique words percentage: 0.612903225806 0.547539520022 112% => OK
syllable_count: 214.2 283.868780488 75% => OK
avg_syllables_per_word: 1.4 1.45097560976 96% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 6.0 1.53170731707 392% => Less pronouns wanted as sentence beginning.
Article: 4.0 4.33902439024 92% => 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: 6.0 8.94146341463 67% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 25.0 22.4926829268 111% => OK
Sentence length SD: 47.765631531 43.030603864 111% => OK
Chars per sentence: 121.166666667 112.824112599 107% => OK
Words per sentence: 25.8333333333 22.9334400587 113% => OK
Discourse Markers: 10.0 5.23603664747 191% => OK
Paragraphs: 3.0 3.83414634146 78% => More paragraphs wanted.
Language errors: 3.0 1.69756097561 177% => OK
Sentences with positive sentiment : 2.0 3.70975609756 54% => More positive sentences wanted.
Sentences with negative sentiment : 0.0 1.13902439024 0% => More negative sentences wanted.
Sentences with neutral sentiment: 4.0 4.09268292683 98% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.15260229199 0.215688989381 71% => OK
Sentence topic coherence: 0.0884211540864 0.103423049105 85% => OK
Sentence topic coherence SD: 0.0743373618284 0.0843802449381 88% => OK
Paragraph topic coherence: 0.128125245191 0.15604864568 82% => OK
Paragraph topic coherence SD: 0.0798084320052 0.0819641961636 97% => OK

Essay readability:
automated_readability_index: 13.6 13.2329268293 103% => OK
flesch_reading_ease: 63.02 61.2550243902 103% => OK
smog_index: 8.8 6.51609756098 135% => OK
flesch_kincaid_grade: 10.7 10.3012195122 104% => OK
coleman_liau_index: 10.22 11.4140731707 90% => OK
dale_chall_readability_score: 8.14 8.06136585366 101% => OK
difficult_words: 32.0 40.7170731707 79% => More difficult words wanted.
linsear_write_formula: 13.5 11.4329268293 118% => OK
gunning_fog: 12.0 10.9970731707 109% => OK
text_standard: 14.0 11.0658536585 127% => OK
What are above readability scores?

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More content wanted.

Rates: 61.797752809 out of 100
Scores by essay e-grader: 5.5 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.