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.
The diagram illustrates the evolution of the equine, which is the prehistoric horse, over the past 50 million years.
In general, the animal has experienced significant modifications in body structure with the most noticeable being the changes in the bone structure of its feet.
The ancestor of the modern horse, also known by its scientific name as Eohippus, was relatively small in size with a short tail, tiny ears, almost no mane, and a stooped back. Its foot was very slender with 4 separated segments. 15 millennia later, however, it became taller and bigger with the most obvious alternation being the reduction of the toe number down to 3, forming a symmetrical structure.
10 million years ago witnessed the development of almost all body parts of the animal which had doubled the size of the formers. The central hoof had prominently evolved compared to the extra toes on both sides while the mane had grown more visible. Eventually, the modern horse (or Equus) exhibits a more erect posture and is more muscular when the mane and the tail have fully developed to become thicker and defined. Especially, the three-joint hoof has merged /fused from distinctive-toed feet with the adjustment of the joints.
| Post date | Users | Rates | Link to Content |
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| 2022-07-20 | Huyenlbg87 | 78 | view |
| 2022-07-20 | Huyenlbg87 | 78 | view |
| 2021-11-29 | anna103 | 67 | view |
| 2021-09-01 | Amna Zeeshan | view | |
| 2021-09-01 | Amna Zeeshan | view |
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Comments
Essay evaluations by e-grader
Grammar and spelling errors:
Line 3, column 97, Rule ID: ADJECTIVE_IN_ATTRIBUTE[1]
Message: A more concise phrase may lose no meaning and sound more powerful.
Suggestion: small
...ntific name as Eohippus, was relatively small in size with a short tail, tiny ears, almost no...
^^^^^^^^^^^^^
Transition Words or Phrases used:
also, however, if, so, while, in general
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 6.0 7.0 86% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 6.0 6.8 88% => OK
Relative clauses : 3.0 3.15609756098 95% => OK
Pronoun: 4.0 5.60731707317 71% => OK
Preposition: 26.0 33.7804878049 77% => OK
Nominalization: 5.0 3.97073170732 126% => OK
Performance on vocabulary words:
No of characters: 1017.0 965.302439024 105% => OK
No of words: 202.0 196.424390244 103% => OK
Chars per words: 5.03465346535 4.92477711251 102% => OK
Fourth root words length: 3.76996954942 3.73543355544 101% => OK
Word Length SD: 2.77987378578 2.65546596893 105% => OK
Unique words: 131.0 106.607317073 123% => OK
Unique words percentage: 0.648514851485 0.547539520022 118% => OK
syllable_count: 315.0 283.868780488 111% => OK
avg_syllables_per_word: 1.6 1.45097560976 110% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 1.53170731707 131% => OK
Article: 6.0 4.33902439024 138% => OK
Subordination: 0.0 1.07073170732 0% => More adverbial clause wanted.
Conjunction: 1.0 0.482926829268 207% => 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: 37.494032447 43.030603864 87% => OK
Chars per sentence: 113.0 112.824112599 100% => OK
Words per sentence: 22.4444444444 22.9334400587 98% => OK
Discourse Markers: 4.44444444444 5.23603664747 85% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 1.0 1.69756097561 59% => OK
Sentences with positive sentiment : 2.0 3.70975609756 54% => More positive sentences wanted.
Sentences with negative sentiment : 1.0 1.13902439024 88% => OK
Sentences with neutral sentiment: 6.0 4.09268292683 147% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.18882210241 0.215688989381 88% => OK
Sentence topic coherence: 0.0685105913686 0.103423049105 66% => OK
Sentence topic coherence SD: 0.0475632576518 0.0843802449381 56% => OK
Paragraph topic coherence: 0.108673785075 0.15604864568 70% => OK
Paragraph topic coherence SD: 0.0320898385195 0.0819641961636 39% => 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: 13.5 13.2329268293 102% => OK
flesch_reading_ease: 49.15 61.2550243902 80% => OK
smog_index: 8.8 6.51609756098 135% => OK
flesch_kincaid_grade: 11.9 10.3012195122 116% => OK
coleman_liau_index: 12.19 11.4140731707 107% => OK
dale_chall_readability_score: 9.11 8.06136585366 113% => OK
difficult_words: 56.0 40.7170731707 138% => OK
linsear_write_formula: 12.0 11.4329268293 105% => OK
gunning_fog: 10.8 10.9970731707 98% => OK
text_standard: 12.0 11.0658536585 108% => OK
What are above readability scores?
---------------------
Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 Out of 9
---------------------
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.
Grammar and spelling errors:
Line 3, column 97, Rule ID: ADJECTIVE_IN_ATTRIBUTE[1]
Message: A more concise phrase may lose no meaning and sound more powerful.
Suggestion: small
...ntific name as Eohippus, was relatively small in size with a short tail, tiny ears, almost no...
^^^^^^^^^^^^^
Transition Words or Phrases used:
also, however, if, so, while, in general
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 6.0 7.0 86% => OK
Auxiliary verbs: 0.0 1.00243902439 0% => OK
Conjunction : 6.0 6.8 88% => OK
Relative clauses : 3.0 3.15609756098 95% => OK
Pronoun: 4.0 5.60731707317 71% => OK
Preposition: 26.0 33.7804878049 77% => OK
Nominalization: 5.0 3.97073170732 126% => OK
Performance on vocabulary words:
No of characters: 1017.0 965.302439024 105% => OK
No of words: 202.0 196.424390244 103% => OK
Chars per words: 5.03465346535 4.92477711251 102% => OK
Fourth root words length: 3.76996954942 3.73543355544 101% => OK
Word Length SD: 2.77987378578 2.65546596893 105% => OK
Unique words: 131.0 106.607317073 123% => OK
Unique words percentage: 0.648514851485 0.547539520022 118% => OK
syllable_count: 315.0 283.868780488 111% => OK
avg_syllables_per_word: 1.6 1.45097560976 110% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 1.53170731707 131% => OK
Article: 6.0 4.33902439024 138% => OK
Subordination: 0.0 1.07073170732 0% => More adverbial clause wanted.
Conjunction: 1.0 0.482926829268 207% => 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: 37.494032447 43.030603864 87% => OK
Chars per sentence: 113.0 112.824112599 100% => OK
Words per sentence: 22.4444444444 22.9334400587 98% => OK
Discourse Markers: 4.44444444444 5.23603664747 85% => OK
Paragraphs: 4.0 3.83414634146 104% => OK
Language errors: 1.0 1.69756097561 59% => OK
Sentences with positive sentiment : 2.0 3.70975609756 54% => More positive sentences wanted.
Sentences with negative sentiment : 1.0 1.13902439024 88% => OK
Sentences with neutral sentiment: 6.0 4.09268292683 147% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.18882210241 0.215688989381 88% => OK
Sentence topic coherence: 0.0685105913686 0.103423049105 66% => OK
Sentence topic coherence SD: 0.0475632576518 0.0843802449381 56% => OK
Paragraph topic coherence: 0.108673785075 0.15604864568 70% => OK
Paragraph topic coherence SD: 0.0320898385195 0.0819641961636 39% => 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: 13.5 13.2329268293 102% => OK
flesch_reading_ease: 49.15 61.2550243902 80% => OK
smog_index: 8.8 6.51609756098 135% => OK
flesch_kincaid_grade: 11.9 10.3012195122 116% => OK
coleman_liau_index: 12.19 11.4140731707 107% => OK
dale_chall_readability_score: 9.11 8.06136585366 113% => OK
difficult_words: 56.0 40.7170731707 138% => OK
linsear_write_formula: 12.0 11.4329268293 105% => OK
gunning_fog: 10.8 10.9970731707 98% => OK
text_standard: 12.0 11.0658536585 108% => OK
What are above readability scores?
---------------------
Rates: 78.6516853933 out of 100
Scores by essay e-grader: 7.0 Out of 9
---------------------
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.