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Science 9 - Biological Diversity and Chemistry Review 1. Calculate the diversity index of the following: 2. List 4 pieces of evidence that show there was a chemical reaction 1. 2. 3. 4. 3. Fill in the blanks: a) The 3 parts of an atom are _____________________, __________________, and ____________________. b) The most reactive metals are found in group __________. They are called __________________. c) The vertical rows and in the periodic table are called ____________________. d) The vertical columns in the periodic table are called ____________________. 4. Construct a Punnett Square and predict what percentage of each offspring will be pure or hybrid and whether or not they can roll their tongue. Mother Tt Father tt 1 5. Draw an EELR diagram for the following elements: a) Oxygen b) calcium c) barium d) neon 6. List the 4 parts of Charles Darwin’s theory of Natural Selection 1. 2. 3. 4. 7. What is the difference between endangered, extinct and extirpated? Give an example of each 8. Distinguish between exothermic and endothermic reactions 2 9. Define each of the following: a) pure substance b) mixture c) homogeneous d) exothermic e) heterogeneous f) inhibitor g) electrolysis h) corrosion i) enzyme 10. Identify the following as a physical or chemical change and give a reason why: a) a candle burning b) ice melting c) rusting metal d) toasting bread e) breaking glass 3 11. Identify following compounds as ionic or molecular, give the IUPAC names of and tell how many atoms of each are present in each a. NaCl b. H2O c. MgO d. CO2 e. NO f. P2H5 g. OCl2 h. HBr 12. Write the correct formula for the following. Identify them as ionic or molecular a. carbon monoxide b. lithium oxide c. triphosphorous dioxide d. calcium chloride e. sodium sulfide 4 13. Match the following terms with the correct definition: _____ spores _____ binary fission _____ gamete _____ heritable _____ meristem _____ asexual reproduction _____recessive trait _____budding _____zygote _____ stamen _____ embryo _____angiosperm _____ mutualism _____diversity index _____gene _____ continuous variation _____ bacterial conjugation _____discrete variation _____polymorphism _____ dominant a) the formation of a new individual from a single organism b) a section of DNA c) flowering plants d) splitting of a single cell into 2 new organisms e) a multi-celled organism during early development f) a reproductive cell containing half the number of chromosomes g) characteristics that can be passed on from parent to offspring h) an area of cell division of unspecialized cells in the tips of roots i) many variations within the same species j) cone bearing evergreens k) an inherited trait that shows up in the offspring only if it is present in the genes of both parents l) the new cell formed by the process of fertilization m) single celled reproductive structure from which offspring develop n) traits that show a range of possibilities o) flower part that contains pollen p) transfer of DNA from one bacterial cell to another q) reproduction involving 2 sexes r) female part of a flower s) An inherited trait that shows up in offspring t) Genetic traits that have a limited number of variations u) A measure of biological diversity in an area v) A symbiotic relationship that is beneficial to both organisms 5 14. If you were surveying the following group of trees to produce a diversity index, you would record it as: a) b) c) d) ABCDEFGHIJ AAABCDEEFF AAABCABBAA AAABCDEEFF 15. Identical twins are often studied by researchers interested in the relationship by between heredity and environment because: a) they have different genetic information, so any similarities would likely be a result of environmental influences b) the have the same genetic information, so any differences would likely be the result of mutations c) the have different genetic information, so any differences would likely be the result of heredity d) the have the same genetic information, so any differences would likely be the result of environmental influences 16. One of the first uses of modern biotechnology was: a) the cloning of a mammal b) the insertion of a bacterial gene into human cells c) the human of a human insulin gene into bacteria d) the insertion of an antifreeze gene into a fish 17. Which of the following lead to a decline in biological diversity? I. Clearing of land for farming II. Increased demand got consumer products III. Human Population growth IV. Increased genetic variation a) I, II, and III b) I, III, and IV c) II, III, and IV d) All of the above 18. An aquarium has established a breeding program to try to save a population of endangered beluga whales. As part of this program, they occasionally exchange adult beluga whales with other aquariums around the world. The purpose of this exchange is to: a) increase the biodiversity of the beluga whale species b) increase the level of genetic variation within the beluga population c) decrease the biodiversity of the beluga whale species d) decrease the diversity index 6 19. The boiling point of water is considered to be a physical change because: a) the water evaporates b) the process is reversible c) a new substance is formed d) water molecules are broken down 20. The boiling of water is considered to be a physical change because: a) the water evaporates b) the process is reversible c) a new substance is formed d) water molecules are broken down 21. The best way to keep metals from corroding is to keep them: a) moist and warm b) moist and cool c) dry and warm d) dry and cool 22. Classify the following elements as metals, nonmetals or metalloids: a) silicon ________________________ b) Hydrogen ________________________ c) Boron ________________________ d) Phosphorous ________________________ e) Neon ________________________ f) Lithium ________________________ 23. Draw a flow chart using the following terms: matter, heterogeneous solution, pure substance, mixture, homogeneous solution. 7 24. Classify each of the following as a pure substance or a mixture a) a smoothie ________________________ b) milk ________________________ c) salt water ________________________ d) sugar ________________________ e) sodium chloride ________________________ f) hydrogen ________________________ 25. Complete the following table: Element Protons Neutrons Electrons Magnesium 8 Silver 54 0 Iron 12 80 7 8