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Fossil Record - The Evidience for Evolution #biology class presentation

Pimpilai Wongsanganan

on 12 June 2013

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Transcript of Paleontology

The Fossil Record 1. Gather a collection of a particular organism's fossils
2. Carbon dating the fossils
3. Arrange them in a consecutive order of time
4. Examine the fossils to see if the fossils had a successive change Using Fossils to Test the Theory of Evolution Fossils
- the preserved remain, tracks, or
traces of once-living organisms
Transitional fossil
- any fossil which gives us
information about a transition from
one species to another Archaeopteryx - It was found in southern Germany.
- It had jaws with teeth and a long bony tail like dinosaurs.
- It had wings and feathers like birds. - It is a transitional fossil between dinosaurs and modern birds.
- It verified the assumption that birds had reptilian ancestors. 50 million years ago, “anthrocotheres” 40 million years ago, “ambulocetus” “Rodhocetus” 37 million years ago, “Basilosaurus” Modern whale Whale evolution 50 million years ago
- “Anthrocotheres”
- four-legged land mammal
- Hippo-like 40 million years ago, “ambulocetus”
- four-legs
- sharp-tooth
- size of sea lion
- nostrils on the end of the snout, like dog’s “Rodhocetus”
- seal-like
- smaller hind limbs
- nostrils shifted higher on the skull 37 million years ago, “Basilosaurus”
- shrunken back legs down to jointed knee and toes 15 million years ago, modern whale
- nostrils blowhole
- hind legs are gone
- remain tiny bones Whales took about 35 million years to adapt from hippo-like to life in the sea. Pim #9 Meily#6 Mai#4 Fon#8
"Paleontology is the study of what fossils tell us about the ecologies of the past, about evolution, and about our place, as humans, in the world.." UCMP.Berkeley Paleontology can also be devided into more subtopics:
- Micropaleontology
- Paleobotany
- Palynology
- Invertebrate Paleontology
- Vertebrate Paleontology
- Human Paleontology (Paleoanthropology)
- Taphonomy
- Ichnology
- Paleoecology http://www.nhm.ac.uk/nature-online/collections-at-the-museum/museum-treasures/archaeopteryx-fossil/index.html
http://www.ucmp.berkeley.edu/paleo/paleowhat.html References
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