Chapter 11 Take Home Test Name:



Read Chapter 11 Lessons 1-3 in your book (pages 379-399) and the notes we went over in class to complete this test.

Use your book to answer the following questions/assignments. Some questions may require you to write your answers on a separate sheet of paper.

1) Define each of the vocabulary words

Evolution, Gene, Homologous structures, adaptation, trait, variation, biodiversity,

2) There are four types of evidence scientists have discovered that support the theory of evolution. Describe how fossils, similarities in DNA and protein structure, similarities in body structure, and similarities in early development support evolution. (3 sentences for each type of evidence- 12 total)

3) Use the picture below to answer the next three questions.

4) Compare and contrast the bones of a bird’s wing and a seal’s flipper. (at least 2 similarities and 2 differences)

5) What can scientists infer from the similarities between these two structures?

6) Describe how DNA evidence might be used to confirm scientists’ conclusions about any relationship between birds and seals.

7) Who was Charles Darwin? (at least 4 sentences)

8) Charles Darwin was amazed by the diversity of living things he witnessed on his voyages on the HMS Beagle, explain what diversity means.

9) What were the three major observations that Darwin observed while studying different organisms in the Galapagos Islands? Explain each (at least 2 sentences for each observation)

10) After years of studying organisms Darwin developed a theory that formed the basis of the theory of evolution. State what that theory was.

11) Describe how artificial selection may be used to by a farmer who wanted to raise pigs that are large and meaty. (at least 2 sentences)

12) List and briefly describe the 6 factors that Darwin identified as affecting natural selection. (at least 6 sentences or bullet points)

13) When members of a species compete, what do they compete for?

14) How do new species form?

15) List and briefly describe the four factors that affect biodiversity in an ecosystem. (at least 4 sentences or bullet points)

16) When all members of a species disappear from Earth, that species is then extinct. How does extinction happen?

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