It takes the average reader 10 hours and 23 minutes to read On the Origin of Phyla by James W. Valentine
Assuming a reading speed of 250 words per minute. Learn more
Owing its inspiration and title to On the Origin of Species, James W. Valentine's ambitious book synthesizes and applies the vast treasury of theory and research collected in the century and a half since Darwin's time. By investigating the origins of life's diversity, Valentine unlocks the mystery of the origin of phyla. One of the twentieth century's most distinguished paleobiologists, Valentine here integrates data from molecular genetics, evolutionary developmental biology, embryology, comparative morphology, and paleontology into an analysis of interest to scholars from any of these...
On the Origin of Phyla by James W. Valentine is 614 pages long, and a total of 155,956 words.
This makes it 207% the length of the average book. It also has 191% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 14 hours and 12 minutes to read On the Origin of Phyla aloud.
On the Origin of Phyla is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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