Browsing by Subject "evolution of life"

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    Extinctions: Past and Present Week 1 - From simple to complex
    (2017-03-17) Chinsamy-Turan, Anusuya
    In this video, Professor Anusaya Chinsamy-Turan uses several examples to explain how life on Earth has evolved over billions of years from simple unicellular organisms to the complex multicellular lifeforms that we see today. She makes the point that there is clear evidence of the evolution and diversification of organisms by looking at fossils from different time periods from all over the world.
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    Extinctions: Past and Present Week 1 - Life on earth
    (2017-03-17) Chinsamy-Turan, Anusuya
    In this video, Professor Anusaya Chinsamy-Turan discusses the history of life on earth. She begins by discussing the earliest evidence of life, which dates back to about 3.5 billion years ago. She then goes on to discuss the evolution of complex multicellular life, the Cambrian explosion, and the movement of plants and animals onto land. She also discusses some of the unanswered questions about the history of life, such as the cause of the Cambrian explosion.