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Content Provider | PBS LearningMedia |
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Copyright Year | 2014 |
Description | Learn about fish fossils that provide clues to the origins of reproduction methods using internal fertilization and live birth in this video excerpt from NOVA. The Gogo Formation in Australia contains exceptionally well-preserved fossils from the Devonian period. The fossils display many features of prehistoric fish, including jaws, teeth, fins, bony head plates, scales, and other soft body parts. Host and scientist Richard Smith learns about the oldest confirmed male appendage (a clasper of a placoderm, used to impregnate females) and the earliest evidence of live birth in a vertebrate (a mother placoderm with her unborn embryo). |
Sponsorship | Corporation for Public Broadcasting David H. Koch |
Language | English |
Publisher | PBS Learning Media |
Publisher Date | 2014-03-19 |
Access Restriction | Open |
Rights Holder | WGBH Educational Foundation |
Subject Keyword | Science Life Science Evolution Genetics and Heredity Evidence of Evolution Evolutionary Trees Heredity and Patterns of Inheritance Evidence in the Fossil Record Embryonic and Fetal Development |
Content Type | Video |
Educational Role | Teacher Student |
Time Required | PT5M22S |
Education Level | Class XI Class VII Class VIII Class IX Class XII Class VI Class X |
Resource Type | Broadcast |
Subject | Evolutionary Evidences |
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