Study Guide: Evolution by natural selection
1. What is evolution?(p369/S2)
2. How does natural selection affect evolution? (p380-381/S4-11)
3. Completing of Summary of Darwin’s Theory (p386)
a. Individual organisms differ, & some of this variation is __.
b. Organisms produce ___ offspring than can survive.
c. Organisms must ___ for limited resources.
d. Individual’s best suited to their environment ______most successfully.
e. All organisms on earth are united in a single ______.
4. Explain how each of the following provides evidence of evolution
a. Fossil record (p382+417-422)
b. Molecular clocks (p454-455 & analyzing amino acid lab activity)
5. Interpreting a cladogram (evolutionary tree) above
a. Mammals like leopards are most closely related to ___
b. Mammals like leopards are least closely related to ___
6. Describe the 4 key components of the modern understanding of natural selection (S7-11)
Fill in the blank: (S6-7)
Asexual reproduction, sexual reproduction, mutations, cloning, natural selection, artificial selection
7. ______edits genetic variation created by ___ which produce new alleles, and ___ which reshuffles the genetics, thus making sure that every individual is genetically unique.
8. Break down an example of natural selection…either lizards, finches, or babies (p397-399)
a. The phenotypic variation found in the population was …
b. The environmental challenge to survival was …
c. This illustrates natural selection because…
9. Why are lethal recessive alleles, like cystic fibrosis, NOT immediately removed from the gene pool? (S12)
10. Why is the sickle cell allele so common in African American’s whose ancestors came from west and central Africa? (p347-348 +S12 Video: Evolution it’s in the genes)
11. What is genetic drift? In what kinds of situations is it likely to occur? (p399-400 +S16)
12. How do biologists define species? (p404 +S17)
13. Give examples of each of the following types of Isolation. (p404-405+S18-21)
a. Temporal isolation
b. Behavioral isolation
c. Geographic isolation
14. What is the difference between macroevolution and microevolution? (S11+S22)
15. Extinction?(p435 + S23-24)
a. ___% of all species that have ever lived are now extinct.
b. What effects have mass extinctions had on the history of life?
16. Explain the pattern known as punctuated equilibrium (p439+S24)
Study Guide: Evolution by natural selection
1. What is evolution?(p369/S2)
2. How does natural selection affect evolution? (p380-381/S4-11)
3. Completing of Summary of Darwin’s Theory (p386)
a. Individual organisms differ, & some of this variation is __.
b. Organisms produce ___ offspring than can survive.
c. Organisms must ___ for limited resources.
d. Individual’s best suited to their environment ______most successfully.
e. All organisms on earth are united in a single ______.
4. Explain how each of the following provides evidence of evolution
a. Fossil record (p382+417-422)
b. Molecular clocks (p454-455 & analyzing amino acid lab activity)
5. Interpreting a cladogram (evolutionary tree) above
a. Mammals like leopards are most closely related to ___
b. Mammals like leopards are least closely related to ___
6. Describe the 4 key components of the modern understanding of natural selection (S7-11)
Fill in the blank: (S6-7)
Asexual reproduction, sexual reproduction, mutations, cloning, natural selection, artificial selection
7. ______edits genetic variation created by ___ which produce new alleles, and ___ which reshuffles the genetics, thus making sure that every individual is genetically unique.
8. Break down an example of natural selection…either lizards, finches, or babies (p397-399)
a. The phenotypic variation found in the population was …
b. The environmental challenge to survival was …
c. This illustrates natural selection because…
9. Why are lethal recessive alleles, like cystic fibrosis, NOT immediately removed from the gene pool? (S12)
10. Why is the sickle cell allele so common in African American’s whose ancestors came from west and central Africa? (p347-348 +S12 Video: Evolution it’s in the genes)
11. What is genetic drift? In what kinds of situations is it likely to occur? (p399-400 +S16)
12. How do biologists define species? (p404 +S17)
13. Give examples of each of the following types of Isolation. (p404-405+S18-21)
a. Temporal isolation
b. Behavioral isolation
c. Geographic isolation
14. What is the difference between macroevolution and microevolution? (S11+S22)
15. Extinction?(p435 + S23-24)
a. ___% of all species that have ever lived are now extinct.
b. What effects have mass extinctions had on the history of life?
16. Explain the pattern known as punctuated equilibrium (p439+S24)