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Integrated Science II
Ch. 6 Video Questions
Name _______________________
Period ______ Date ___________
What Darwin Never Knew
/5
1. What did Charles Darwin want to understand? _____________________________________________
2. What is called the best idea anyone ever had? _____________________________________________
3. List four organisms Darwin observed on the Galapagos Islands. _______________________________
__________________________, ___________________________, ___________________________
4. What could the islanders tell about the tortoises on the Galapagos? ____________________________
___________________________________________________________________________________
5. Back in Britain, what did Darwin learn about the birds he collected? ____________________________
6. How many different species were there? __________________________________________________
7. Darwin thought humans were descended from what animal? __________________________________
8. What helped Darwin come up with the idea for natural selection? ______________________________
9. Explain what it means to say survival of the fittest?__________________________________________
10. Because species have v_______________, nature selects which individuals survive and which don’t.
11. What is the name of Darwin’s book? _____________________________________________________
12. Describe the two kinds of mice in the desert. ______________________, _______________________
13. What can we study today that Darwin couldn’t? ____________________________________________
14. What is a gene?______________________________________________________________________
15. Name one way that DNA can change. ____________________________________________________
16. Are mutations always bad? Explain. ______________________________________________________
17. What did the researchers find that explained the different color mice fur?________________________
18. How many genes are in the human genome? ______________________________________________
19. Define transitional fossil. _______________________________________________________________
20. Why is the tiktalik fossil so important? ____________________________________________________
21. Humans and chimps share a common _________________________________.
22. The DNA of humans and chimps is __________% identical.
23. Why is the human hand so unique? ______________________________________________________
24. When comparing the gene that controls brain development between humans and chimps, what did
researchers discover? _________________________________________________________________
25. In Pollards research, she found that most of the DNA differences between human and chimp DNA
were in which type of genes? ___________________________________________________________
26. If Darwin were alive today, how do you think he would react to current scientific evidence and
support of his theory of evolution? _______________________________________________________
___________________________________________________________________________________