Name: Key Period: Date: EVOLUTION UNIT 1 STUDY GUIDE. b. A physical structure or part of an organism s anatomy that helps it survive
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1 Name: Key Period: Date: Part A. Vocabulary Matching People, Theories and Terms EVOLUTION UNIT 1 STUDY GUIDE g _ 1. Artificial Selection d 2. Natural Selection i 3. Abiogenesis a _ 4. Fitness f _ 5. Physiological Adaptation h _ 6. Spontaneous Generation e _ 7. Biogenesis b _ 8. Structural Adaptation c _ 9. Behavioral Adaptation a. An organism s ability to survive and reproduce b. A physical structure or part of an organism s anatomy that helps it survive c. A behavior that an organism does that helps it survive d. Individuals best suited to the environment are the ones that survive and reproduce e. Theory that living things come from other living things f. A response of internal body chemistry that helps an organism survive g. Humans select and breed for the most desirable traits h. Theory that living things comes from non-living things i. Another term for spontaneous generation e 10. Fransisco Redi h 11. Lynn Margulis a_ _ 12. Louis Pasteur f 13. Endosymbiont Theory b 14. Jean Baptiste Lamarck g 15. Thomas Malthus c 16. Charles Lyell d 17. Alfred Wallace i 18. Miller and Urey J 19. Charles Darwin a. Experimented with broth and found that living things do not come from air b. Principle of Acquired Traits and Principle of Use and Disuse c. Wrote Principles in Geology stating that the earth s landscape changes over time d. Wrote a letter to encourage Darwin in his theory of evolution e. Experimented with meat and maggots and disproved spontaneous generation f. Prokaryotes living in community with other prokaryotes later forming eukaryotes g. Wrote a book that human population is growing faster than the earth can support h. Proposed the Endosymbiont Theory i. Simulated Earth s early atmosphere with electric sparks and formed organic compounds j. Developed his theory of evolution after studying plants and animals around the world h 20. Fossil g 21. Radiometric Dating a. Determining the age of a fossil by comparing its placement in rock to other fossils b. Structures that are no longer used by organisms and are usually reduced in size a 22. Relative Dating c. Comparing DNA or amino acid sequences of organisms to determine relationships e 23. Comparative Embryology c 24. Comparative Biochemistry b 25. Vestigial Organs d 26. Descent with Modification d. The idea that each living species has descended, with changes, from other species e. Comparing early developmental stages of organisms to determine relationships f. No oxygen, no water, poisonous gases, lightning, volcanoes g. Determining the age of a fossil by using half-lives of radioactive isotopes f 27. Proposed Components of Early Earth h. Preserved remains or evidence of an organism from long ago i _ 28. Theory of Evolution i. Organisms change over time AND descended from ancient organisms
2 Part B. Natural Selection 1. Read the scenario below and write how each of the tenets of natural selection apply to the scenario. The peppered moths of northern England have two main phenotypes in their gene pool: dark colored and light/pepper colored. Both variations had to compete to survive the bird predators. Prior to England s Industrial Revolution, the trees in northern England towns were lighter in color. The nocturnal moths rest on the trees during the day; however, bird predators feasted on these dark moths because they were easy to spot, and the frequency of the dark moth in the population was very low. However, after the Industrial Revolution, black smoke from smokestacks polluted the air and darkened the surrounding trees. Over time, the frequency of the dark moths dramatically increased due to being able hide from bird predators more effectively. After the Industrial Revolution the light/peppered colored moths stood out on the trees more and were eaten by predators. Over time, the frequency of the light/peppered colored moths decreased in the area. How does each of the tenets of natural selection apply to the above scenario of the peppered moths? a) Variation in the Gene Pool: The peppered moths come in different colors, both dark colors and different levels of peppered coloration b) Organisms over-reproduce: _ Insects produce many offspring, in this case caterpillars which turn into moths c) Struggle for Existence: The moths are a food source for many birds, these birds will pick off what they see first just in order to get the nutrition they need to survive. d) Survival of the Fittest: The moths that best camouflage with the backgrounds of the tree are most likely to survive due to that structural adaptation. 2. Classify each of the following adaptations as structural, behavioral or physiological. a) Thick fur coating in polar bears Structural b) Lizards moving onto a rock in the sun when they are cold Behavior c) When the elephant is overheated, blood vessels in the ear dilate so heat can be released physiological d) Animals moving around in herds for protection behavioral e) Hooked beak for meat-eating birds, useful for tearing flesh Structural f) Poison venom of a snake physiological g) The flippers of a penguin structural h) The sticky tongue of a frog physiological i) Saliva that digests carbohydrates physiological j) The woodpecker using a cactus spine to remove insects from a tree behavioral Part C. Darwinian Evolution 1. According to evolutionists, put the following organisms in order by numbering 1-5 as to their development. 2 a. Chemosynthetic anaerobic bacteria 4 b. Unicellular eukaryotes 1 c. Heterotrophic anaerobic bacteria 5 d. Multicellular eukaryotes 3 e. Photosynthetic bacteria releasing oxygen into the air
3 2. Evolutionary Scientists Evidence for the Theory of Evolution: a. Fossil Record i. The preserved remains of an organism that lived long ago is called a _ fossil. ii. Determining the age of a fossil by comparing its placement in rock with that of other fossils in other layers of rock is known as relative dating. This gives an ( estimated /more exact) age of the fossil. Circle one. iii. By looking at the diagram provided, draw a red arrow to the fossil that would be the oldest and a green arrow to the fossil that would be the youngest. layer 1 is youngest layer 4 is oldest iv. Determining the age of a fossil by using half-lives of isotopes of radioactive elements such as carbon-14 or potassium-40 is known as radioactive dating. This gives an (estimated/ more exact ) age of the fossil. Circle one. b. Comparative Embryology i. Comparing the embryo stages of development of organisms to show relationships. c. Comparative Biochemistry i. Comparing _ DNA or _ sequences of different organisms to show relationships. ii. Use the following chart to circle the differences of the partial amino acid sequences of the protein hemoglobin between four different organisms. The organisms with the most numbers of differences are the human and the zebra or the horse; the organisms with the least numbers of differences are the human and the gorrilla.
4 d. Vestigial Organs i. Organs that are _ no longer used by an organism and are usually _ reduced _ in size. ii. Name 3 examples of Vestigial Organs: human appendix snake pelvic bones human tailbone e. Homologous Structures and Analogous Structures i. Picture of Homologous Structures: ii. Homologous Structures Circle which one applies Structure: Same or Different Function: Same or Different Common Ancestor: Yes or No 4. Gradualism vs. Punctuated Equilibrium a. The idea that organisms change slowly and steadily over time is known as gradualism. b. The idea that for most of the time, species are stable. But every now and then there is a disruptive event that promotes rapid change is known as punctuated equilibrium. c. In the box below, label which change in the bird organisms are represented by gradualism and which is represented by punctuated equilibrium. Punctuated Equilibrium Gradualism
5 Bacteria Review Guide Bacteria are prokaryotes. Bacteria are the only examples of prokaryotes. There are two kingdoms of bacteria. They are Eubacteria and Archaebacteria. Vocabulary Matching: L 1. Archaebacteria O 2. Eubacteria H 3. Bacillus B 4. Coccus K 5. Spirillum P 6. Strepto- C 7. Staphylo- A 8. Flagella N 9. Binary Fission a. Long, whip-like tail used for movement by some bacteria b. Round, spherical shape of bacteria c. Arrangement of bacteria in clusters like grapes d. Form of sexual reproduction in bacteria producing genetically different cells e. Bacteria that causes a disease f. Bacteria that do not need to use or cannot have oxygen g. Dormant, tough, protective shell produced by some bacteria when conditions are unfavorable h. Rod shape of bacteria i. A weakened or dead form of pathogen injected into an organism to elicit an immune response D 10. Conjugation j. A chemical drug that kills bacteria M 11. Aerobic F 12. Anaerobic G 13. Endospore I 14. Vaccine J 15. Antibiotic E 16. Pathogen k. Corkscrew or spiral shape of bacteria l. Bacteria that do not have peptidoglycan in their cell walls; halophiles and methanogens m. Bacteria that need or use oxygen n. Form of asexual reproduction in bacteria producing genetically identical cells o. Bacteria that do have peptidoglycan in their cell walls; Streptococcus aureus p. Arrangement of bacteria in chains 17. Label the following parts of a bacterium below using the following word bank: cell wall, cell membrane, DNA, flagella, ribosomes, cytoplasm. A = cell membrane; B = cytoplasm; C = cell wall; D = DNA; E = Flagella for movement; F = ribosomes
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