Africa Assessment #2 Form A PDF

**Africa Assessment \#2** **Form A** **\*\*\*\* DO NOT WRITE ON THIS PAPER\*\*\*** 1. If an organism is lacking Canine teeth, what can you infer? a. It lost its teeth in a fight b. Canine teeth are not necessary for the food they eat. c. d. 2. Digestion starts in the e...

**Africa Assessment \#2** **Form A** **\*\*\*\* DO NOT WRITE ON THIS PAPER\*\*\*** 1. If an organism is lacking Canine teeth, what can you infer? a. It lost its teeth in a fight b. Canine teeth are not necessary for the food they eat. c. d. 2. Digestion starts in the e. Mouth b. stomach c. small intestine d. large intestine 3. All organisms must consume the same percentage of all macromolecules f. True b. False  4. In a food chain, what does an arrow represent? a\. molecules b. nitrogen c. energy d. All of the above 5.-7. Elephants use primarily \#5 for energy, whereas lions use primarily \#6 for energy. \#7 is used to maintain biomass (build structures) in both lions and elephants.  g. 8. Macromolecules with the most energy contain the most \_ bonds. a. Carbon-Carbon c. Carbon-Hydrogen b. Hydrogen-Oxygen d. Oxygen-Nitrogen 9. In a food chain, the arrow should always point to the organism that is being eaten a. True b. False 10. What organisms "fix" unusable nitrogen into a usable form? b. Water b. Plants c. Lions d. Bacteria 11. -13. Of animals with teeth, herbivores would have large \#11, where carnivores would have large \#12. All feeding niches have \#13. c. canines b. incisors c. molars 14\.  Which animals diet provides the highest net energy released?         a. Carnivore (lion)      b. Herbivore (elephant)  15. Lactase is an enzyme that can a. Help digest lactose b. Help build lactose c. Help digest many types of sugars d. Help build many types of sugars 16. Enzymes are e. Carbohydrates f. Lipids g. Proteins h. Nucleic acids 17. During which part of the diagram below are chemical reactions taking place? (mark all that apply) a. A b. B c. C d. D 18. There is one type of enzyme to break down carbohydrates, it can be used to break down all the different types of carbohydrates. i. True b. False 19. The enzyme in the diagram above could break down all different types of molecules. j. True b. False  20. When bonds are broken during digestion, water is \_\_\_. a. used b. released 21. Which two molecules/atoms must be removed to join amino acid 1 and amino acid 2? (mark both) k. C b. H c. OH d. O 22. Nitrogen enters the food web when it enters l. Soil b. plants c. herbivores d. omnivores/carnivores 23. All organic molecules are \_\_\_\_\_\_\_\_\_\_\_\_ based m. Carbon b. nitrogen c. hydrogen d. oxygen 24. In a chemical reaction, \_\_are to the left of the arrow, and \_ are to the right of the arrow. (mark all that apply) n. Reactants; products c. products; reactants o. Substrates; products d. products; substrates 25. To make proteins plants use (mark all that apply) p. Atoms from glucose c. atoms from nitrogen compounds q. Amino acids from the ground d. Amino acids from animals 26. What % of energy is transferred to the next trophic level? r. 0 b. 10 c. 50 d. 90 **[Use the diagram below to answer questions \#28-30] FOR THE QUESTIONS BELOW BUBBLE THE APPRPORIATE NUMBERS IN THE CORRECT ORDER. IF YOU DON'T NEED ALL THE COLUMS, FILL IN ZEROS TO THE LEFT. FOR EXAMPLE, IF YOUR ANSWER IS 12, FILL IN 0012.** 27. It would require the most energy to make protein\_. a\. 1 b. 2 c. 3 d. 4  28. How many bonds would need to be broken to digest protein 1? **\*Bubble in the correct number on your answer sheet.** 29\. If each bond broken releases 10 kcal, how many kcals would be released when protein 2 is digested? **\*Bubble in the correct number on your answer sheet.** 30\. If it requires 10 kcals to create a bond, how much energy would be used to create protein 3? **\*Bubble in the correct number on your answer sheet.**