Download Document

Unit 3 Study Guide
1. Natural selection is described as “survival of the fittest.” Organisms considered fit will
survive to accomplish what?
2. Which best explains the similarities of animal fossils found on the Galapagos Islands and
those found in South America?
3. What is fossil evidence and what can it be used to explain?
4. How is biochemistry used to provide evidence for evolution?
5. Which idea was most tied to Darwin in his book The Origin of Species?
6. An organism’s survival can be determined by the physical traits it inherits. If a mutation were
to occur, what type of mutations would best increase the organism’s chance of survival?
7. What best explains how drastic changes in climate can affect evolution?
8. How does pesticide resistance in insects lead to the evolution of the overall insect species?
9. Many people use antibiotic soaps to wash their hands, dishes, and counter tops, but
researchers have warned that this is not a good practice to follow. Why should antibiotic
soaps be used sparingly?
10. What best describes how resistance to antibiotics will aid in the evolution and survival of
bacteria?
11. Which category of classification has the largest variety of organisms?
12. How does Linnaeus’s classification system, show you which pair of organisms is most
closely related? (scientific names)
13. How are scientific names written?
14. What types of organisms are best described as prokaryotic cells?
15. What is the most significant difference between a prokaryotic and a eukaryotic organism?
16. Which characteristic of mitochondria and chloroplasts lead scientists to believe that the two
organelles evolved through the symbiotic relationship between two prokaryotic organisms?
17. Dichotomous Key: Explain and understand how to read one.