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Claudio Leos - NOVA-What Darwin Never Knew Video Worksheet.pdf

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NOVA: What Darwin NeverKnewVideo QuestionsName: _________________________Date: __________ Class: __________In the years since the publication ofOn the Origin of Speciesin 1859, evidence for Charles Darwin’s theory of evolution continues toaccumulate. Today, scientists are able to read the DNA sequences of animals to determine the amount of similarities and differencesbetween different species, including the relationship between humans and our closest natural relatives, the chimpanzees and apes.New discoveries indicate that the activation and timing of genes with ancient pedigrees is the most important feature in determiningwhat makes us human.Answer the following questions while watchingNOVA: What Darwin Never Knew. Select the correctmultiple-choice, completion, matching, or True & False response for each question. After the video, write the letter of each answer inthe blank at the beginning of each question. The questions follow the same order as the information shown in the video.1.____. How many living species, and counting, are known?A) 2 million B) 28,000 C) 350,000
2._C___. Who ultimately explained the amazing diversity of life on earth?
3.____. Which work has become the bedrock of our understanding of life on earth?
5.____. Even Darwin admitted that his work was incomplete, and that vast questions were still unanswered.
6.____. What was Darwin’s biggest question?A) How many species were there? B) How did life begin? C) How did evolution take place?
7.____. Darwin began his love affair with nature…
8.____. How did Darwin react when watching an operation on a child (in the era before anesthetics)?

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