One hundred and fifty years later, scientists decode nature's greatest mysteries—a two-hour special. Program not available for streaming. Earth teems with a staggering variety of animals, including 9, kinds of birds, 28, types of fish, and more than , species of beetles. What explains this explosion of living creatures—1. The source of life's endless forms was a profound mystery until Charles Darwin brought forth his revolutionary idea of natural selection.
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As an aside, it is important to highlight that Darwin himself was not always a very good student. He dropped out of both medical school and divinity school and then turned to natural science where he finally found himself and honed his interests. His keen knowledge of natural science the study of plants and animals , resulted in an invitation to join the 5 year scientific expedition to study life forms in other parts of the world. As you view this 2 hour video, take notes on the following questions which will assist you in the completion of the related written assignment.
Summary Of 'What Darwin Never Knew'
The whale was not the only animal that lost its limbs; according to National Geographic, a 95 million year old fossil of a lizard with miniscule legs may be the ancient ancestor of the snake. The vestigial limbs show that the lizard was closer to evolving into the snake. In short, the changes of fossils which belong to the snakes and its predecessors show variations that allows one to believe that evolution had occurred. Along with fossil evidence which shows the similarities between the skeletons over an extended period of time, geographical distribution is a strong point for evolution because it explains