4. Which animal are they studying on the Galapagos islands? Iguanas, giant tortoises, and finches.     5. What are they looking for on the finches?   6. What are the differences between the finches that the scientists notice?   7. How many ancestors did the finches come from?

Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter25: Animal Evolution- The Chordates
Section: Chapter Questions
Problem 1CT: In 1798, a stuffed platypus specimen was delivered to the British Museum. Reports that it laid eggs...
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Marking as Earth Science but I am unsure. 

Galapagos Finches

1. How many beetles are there on Earth? Answer : Over 300,000 beatles.

 

2. How many butterflies? Answer : 17,000.

 

3. Who is Charles Darwin? English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies

 

4. Which animal are they studying on the Galapagos islands? Iguanas, giant tortoises, and finches.  

 

5. What are they looking for on the finches?

 

6. What are the differences between the finches that the scientists notice?

 

7. How many ancestors did the finches come from?

 

8. What did they measure on the birds?

 

9. Which birds had the most trouble? Why?

 

10. What did they notice about the new generation of the bird’s beaks?

 

11. How did there become so many species of these birds with different sized beaks?

 

12. What did the Grants show that are the key to evolution in the Galapagos islands?

 

13. (Fill in the blank)

The more __________ the environment, the more opportunities for evolutionary change to produce those new species.

 

 

Answer all unanswered questions. Please type all answers out. 

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