Chapter 2 Teacher Guide and Answers - BIOLOGY 11
Chapter 2 Teacher Guide and Answers
Concept Mapping
Page 48 ? Organisms and Energy
1. form the base of all ecological pyramids, make organic molecules from inorganic molecules, producers
2. are described by their energy source, part of food chains and food webs
3. carnivores, consumers, detritivores, herbivores, some absorb nutrients from dead organisms, some eat other organisms
Study Guide
Page 49 ? Section 1
1. yes 2. no 3. no 4. yes 5. E 6. A 7. D 8. B 9. C 10. Involves Biotic Factors 11. Involves Abiotic Factors, Involves Biotic Factors 12. Involves Abiotic Factors, Involves Biotic Factors 13. Involves Biotic Factors 14. Involves Abiotic Factors, Involves Biotic Factors 15. Involves Abiotic Factors, Involves Biotic Factors
Page 50 ? Section 2
1. E 2. F 3. B 4. A 5. D 6. C 7. producer 8. herbivore 9. omnivore 10. carnivore 11. secondary consumers
12. primary consumers 13. producers 14. biomass 15. An ecological pyramid, which represents the
amount of energy in each trophic level of an ecosystem, is smaller on top because energy is lost as it flows from one level to the next.
Page 51 ? Section 3
1. 1 2. 4 3. 2 4. 3 5. Carbon 6. cycles Note: Student answers for questions 7 and 8 are interchangeable. 7. photosynthesis 8. respiration Note: Student answers for questions 9?11 are interchangeable. 9. atmosphere 10. water 11. living organisms 12. proteins 13. atmosphere 14. nitrogen fixation 15. plants 16. Consumers 17. urinate 18. decay 19. Decomposers 20. ammonia 21. denitrification 22. soil and groundwater 23. short-term cycle 24. new rock 25. long-term cycle
190 CHAPTER 2 TEACHER GUIDE AND ANSWERS
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