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Prokaryote Cells

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Hadley Hagemann

on 7 February 2014

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Transcript of Prokaryote Cells

Evolution of the Spider Monkey
Hadley Hagemann, Erin Mooney, Caleb Florence, Conor McCarthy
Prokaryote Cells
Eukaryote Cells
Choanoflagellates
Sea Sponges
Cnidaria
(Modern Day Jelly Fish)
Flat Worms
Pikaia
Jawless Fish
Placoderms
Tetrapods
Amphibians
Reptiles
Synapsida
Mammals
Primates
Darwinius
New World Monkeys Split Off
Uakaris Sakis splits from Howler Monkeys and Spider Monkeys
SPIDER MONKEY SPLITS FROM WOOLY SPIDER MONKEY
DATE: LATE MIOCENE
FOSSILS OF
Montanea anthropomorphus
(A PRIMATE) FOUND IN CUBA, DATING BACK TO BEFORE SPIDER MONKEYS HAD EVOLVED ARE THOUGHT TO HAVE BEEN BROUGHT TO THE ISLAND BY NATIVES OF SPAIN COMING TO THE NEW WORLD; THEREFORE, THESE MONKEYS HAD TO ADAPT TO THEIR NEW ENVIORNMENT.
ANCESTORS OF THE SPIDER MONKEY WERE THEN FOUND IN THE ISLANDS OF THE CARRIBBEAN AND BRAZIL DATING BACK TO THE PLEISTOCENE
SPIDER MONKEYS:
ATELES GEOFFROYI
KINGDOM: ANIMALIA
PHYLUM: CHORDATA
CLASS: MAMMALIA
ORDER: PRIMATE
FAMILY: ATELIDAE
GENUS: ATELES
SPECIES:
Ateles geoffroyi
Spider Monkey Evolution
Prehensile Tail
Spider monkeys developed this long, agile tail allows them to grasp objects and also provides balance while walking
Spider monkeys developed this limb approximately 30-25 MYA
Shortened Snout
All New World Monkeys have the characteristic of a shortened, flattened nose, in order to have side-facing nostrils
Spider Monkeys developed this shortened snout around 30-25 MYA
Loss of Opposable Thumbs
Spider Monkeys developed this loss of opposable thumbs because of the emergence and evolution of one of modern man's ancestors:
Homo erectus
.
This loss occured around 1.5 MYA
Presence of Central Eye
The presence of the central eye occurred in Spider Monkey's so that they could see straight forward to be able to see predators in front of them as they walked.
Full transcript