Download Integrated Science

Part 1. Charles Darwin and Evolution
Directions: Read pages 625-628 in your Biology book and answ er the follow ing questions.
1. Define evolution.
2. Define Theory
3. Describe the length, d ate and purpose of Charles Darw in’ s infam ous cruise on the Beagle.
Part 2. D arw in presents his case
Directions: Read pages 634-637 in your Biology book and answ er the follow ing quest ions.
4. What is the d ifference betw een inherited variation and artificial selection.
5. What w as the m echanism for evolution that Darw in suggested ?
6. Describe the struggle for existence
7. Define fitness.
8. Define ad aptation.
9. Define survival of the fittest.
10. Define N atural selection
 Part 3. Evidences for Evolution
Directions: Read pages 638-642 in your Biology book and answ er the follow ing questions.
1. Explain how the fossil record can be used as evid ence that evolution is occurring over tim e. Give an
exam ple.
2. Explain how sim ilarities in early d evelopm ent can be used as evidence that evolution is occurring over
tim e.
3. Explain how sim ilarities in bod y structure can be used as evid ence that ev olution is occurring over tim e.
In your explanation, d efine homologous structure.
4. Define vestigial organ. List at least 2 exam ples of vestigial organs and explain how these provid e
evid ence in support of evolution.
5. Explain how sim ilarities in chem ical com pound s can be used as evid ence that evolution is occurring over
tim e.
 Part 3. D eveloping a Theory of Evolution
Directions: Read pages 625-642 in your Biology book and answ er the follow ing questions.
1. List and d escribe the 3 early assum ptions m ad e by Jean Baptiste d e Lamarck to explain how organism s
changed over tim e. Are these correct?
2. Define natural selection. Contrast this w ith artificial selection.
3. Define survival of the fittest.
4. Sum m arize the effects of natural selection on England ’ s peppered m oth.
5. The British have instituted pollution controls on factories. Do you think this w ill affect the evolution of
the peppered m oth in the future? Explain.
Part 4. Genetics and Evolutionary Theory
Directions: Read pages 653-658 in your Biology book and answ er the follow ing questions.
1. Describe the relationship betw een genes, natural selection and evolutionary change over tim e.