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Scientific name: Tapirus terrestris
Physical characteristics:
Weight: 500lbs- 800lbs
Height:29in- 42in
They have lungs
Flat teeth
They can grip with their nose
Behavioral characteristics:
Live in grasslands or tropical forests.
Their trunk with which they can grip things they use to get the leaves off of branches and get to other delicious food. Tapirs eat once in the morning and once at night. Tapirs follow paths made by Tapirs to get to water and while they walk through the bushes they poop the seeds out with which they support the growth of plants. They like swimming a lot and use water to cool themselves off.They are herbivores
http://www.nationalgeographic.com/animals/mammals/group/tapirs/

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ODD TOED MAMMALS-PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE   ODD TOED MAMMALS-PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE ODD TOED MAMMALS- PERISSODACTYLAE

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ODD TOED MAMMALS-PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE   ODD TOED MAMMALS-PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE   ODD TOED MAMMALS- PERISSODACTYLAE ODD TOED MAMMALS- PERISSODACTYLAE

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Scientific name: Equus grevyi
Physical characteristics:
Weight: 770lbs- 990lbs
Height: 50in- 60in
It is the largest of the wild "horses" (equids). Their stripes are narrower than the ones of other zebras and their ears larger.
Lungs
Flat teeth

Behavioral characteristics:
Live in grasslandsDifferent than my other examples Grevy's Zebras live in herds and so is a social animal. In the herds there are not many problems with dominance fights except for when a male comes near a breeding female which already has a male with territorial right. They are grazers and graze near water.They are herbivores
http://www.awf.org/wildlife-conservation/grevys-zebra

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Scientific name: Diceros bicornis
Physical characteristics:
Weight:  1760lbs- 3080lbs
Height: 4.5ft- 6ft
They have a pointed upper lip
Lungs
Flat teeth
Behavioral characteristic:
Live at the coast of Africa.
They are animals which walk around on their own most of the time. One of the exceptions would be a female and its offspring until it turns about three years old. The Black Rhino eats when the African sun is not shining really hot anymore but when the sun is going down or at night. During the day they stay in shadows or cover themselves in mud to cool themselves off.They are herbivores
http://www.nationalgeographic.com/animals/mammals/b/black-rhinoceros/

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Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Rhinocerotidae
Genus: Diceros
Species: bicornis

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Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Tapiridae
Genus: Tapirus
Species: terrestris

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Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Genus: Equus
Species: grevyi

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Phylogenetic Tree? More like Perissodactyla Tree! 

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Phylogenetic Tree? More like Perissodactyla Tree! 

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This Phylogenetic Tree shows how the three different organisms I showed in here before and how they are related. The Equus are not as closely related to the Tapirus and Rhinoceroses. However, they still have a common ancestor in the beginning and so are related.

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The examples shown are the ancestors of today's Perissodactylae. As you can clearly see many of the fossils really do have a lot in common with the beloved animals we know now. Their similar bone structure shows that they are somehow related and that our animals kept some of the characteristics.

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Scientific name: Coelodonta Antiquitatus
Time Period: Pleistocene Epoch: 1.8 mya. to 10,000 years
https://www.pinterest.com/pin/395120567277070277/

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EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION

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EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION   EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION EVIDENCE OF EVOLUTION

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ANATOMY AND PHYSIOLOGY ANATOMY AND PHYSIOLOGY

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ANATOMY AND PHYSIOLOGY ANATOMY AND PHYSIOLOGY

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CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION  CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION CONCLUSION CONCLUSION CONCLUSION CONCLUSION CONCLUSIONS

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CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION  CONCLUSION   CONCLUSION   CONCLUSION   CONCLUSION CONCLUSION CONCLUSION CONCLUSION CONCLUSION CONCLUSIONS

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84 autosomes
2 sex chromosomes
http://placentation.ucsd.edu/blkrhino.htm

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46 autosomes
2 sex chromosomes
http://placentation.ucsd.edu/zeb.htm

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80 autosomes
2 sex chromosomes
http://www.newworldencyclopedia.org/entry/Tapir

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The Order Perissodactyla has three main families with different organisms. The tapirs, the rhinoceroses, the horses. They all are in the same Kingdom, Phylum, Class and Order. Why is this significant? The taxonomy classifications go from really broad to really specific. As the Perissodactylae are in the same Order they definitely have some common ancestry. Some other proof of common ancestry is traits and characteristics they share. All the Perissodactylae are herbivores and do not have any collar bones for example. As they are herbivores they mostly digest with their intestines and less with the stomach. All of them like places with water and mud and their internal structures are very similar.

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How the Perissodactyla is this important?

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How the Perissodactyla is this important?

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First of all it shows that the rhinoceroses and the tapirs are more closely related than the zebra is with any of them. As their numbers are different it proves that even though in the same Order they are all from a different Genus and Family. Another important thing to notice is that even though they have a different number of chromosomes their karyotypes look very similar which can be used as evidence of evolution and their common relatedness

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https://www.researchgate.net/profile/Vladimir_Trifonov3/publication/8103754/figure/fig1/AS:277658547048449@1443210364369/Fig-1-G-banded-karyotype-of-a-male-black-rhinoceros-D-bicornis-2n-84.png

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The embryos of many organisms in the Order Perissodactyla look very similar supporting the reason they are in the sea order. Even when comparing them to other Order's embryos shows the common ancestry of all organisms.

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SPECIATION: GRADUAL OR PUNCTUATED EQUILIBRIUM?

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SPECIATION: GRADUAL OR PUNCTUATED EQUILIBRIUM?

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Looking at the fossils of odd toed mammals I would think that they evolved through the gradual equilibrium as it slowly happened over time and not just changed all of the sudden and then stopped.

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EVOLUTION: DIVERGENT, CONVERGENT OR COEVOLUTION?

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EVOLUTION: DIVERGENT, CONVERGENT OR COEVOLUTION?

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After looking at the phylogenetic tree I think they went through divergent evolution as they all started off the same but eventually split into different species and evolved in their own way in those species and not with the others even though the rhinoceroses and tapirs evolved together for longer than they did with the Equids.

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Non-random or random mating: Both tapirs and rhinoceroses mate randomly and so have lots of genetic variety in the offspring. The organisms in the Genus Equus mate non-randomly which could show how rhinoceroses and tapirs are more closely related.
Artificial selection: Horses are often domesticated and owners normally who they mate with and just every decision for the animal which would turn that into artificial selection.

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After learning more about Perissodactylae I believe that Darwin's theories are true as all Perissodactylae have at least one common ancestor and then even have similarities with other taxonomy groups proving Darwin was right.

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https://s-media-cache-ak0.pinimg.com/originals/d7/4a/66/d74a66bce13d0ec10bf8c677e0dbb623.jpg

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http://www.thetaxidermystore.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/a/f/african-zebra-skull-taxidermy-mount-_10589-for-sale-_-the-taxidermy-store.jpg

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http://www.boneroom.com/uploads/4/8/1/1/48118243/s521972503441136676_p1268_i1_w640.jpeg

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As can be seen in the pictures above the three different skulls above have many similar structures. All have a long head with mostly flat teeth. The skulls have a little 'hole' where the nose would be at around the same spot. In front of the flat teeth there are other teeth which can be seen in the skulls of the zebra and the tapir. These bone structures which are really similar are an evidence for their common ancestors.

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https://www.researchgate.net/profile/Polina_Perelman/publication/5559366/figure/fig6/AS:277736900841496@1443229045828/Figure-7-Karyotype-of-onager-EHE-with-Malayan-tapir-TIN-horse-ECA-and-Grevy-_-s.png

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http://images.tutorvista.com/content/organic-evolution/vertebrate-embryos.jpeg

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http://i.dailymail.co.uk/i/pix/2008/10/02/article-0-02DE353B00000578-352_468x286.jpg

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Scientific name:Protorohippus venticolum
Time Period: 55 mio years ago.
http://touchstonegalleryandmineralandfossil.blogspot.com/2012/05/green-river-fossil-fish.html

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Scientific name: Phenacodus
Time period: Paleocene/ Eocene about 55 mio years ago
https://www.pinterest.com/pin/431993789239681923/

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Scientific name: Mesatirhinus
Time period about 40 to 50 mio years ago.
http://laignoranciadelconocimiento.blogspot.be/2011/12/mesatirhinus.html

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Scientific name:Brontotheres
Time Period: Eocene epoch
http://whiteriver.weebly.com/brontotheres.html

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Scientific name: Mesohippos
Time Period: 40 mio years ago
https://www.pinterest.com/pin/157485318193385440/