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

NOVA: What Darwin Never
Knew
Video Questions
Name: _________________________
Date: __________ Class: __________
In the years since the publication of On the Origin of Species in 1859, evidence for Charles Darwin’s theory of evolution continues to
accumulate. Today, scientists are able to read the DNA sequences of animals to determine the amount of similarities and differences
between 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 determining
what makes us human. Answer the following questions while watching NOVA: What Darwin Never Knew . Select the correct
multiple-choice, completion, matching, or True & False response for each question. After the video, write the letter of each answer in
the 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)?