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Chapter 20
20.1 Introduction to ecology
20.2 Components of an ecosystem
20.3 Energy flow in an ecosystem
20.4 The carbon cycle
20.5 The nitrogen cycle
20.6 A summary: the roles of organisms in energy flow and material cycling
20.7 Conservation of ecosystems
20.8 Ecological study
20.1 Introduction to ecology (Bilingual)
20.2 Components of an ecosystem (Bilingual)
20.3 Energy flow in an ecosystem (Bilingual)
20.4 The carbon cycle (Bilingual)
20.5 The nitrogen cycle (Bilingual)
20.6 A summary: the roles of organisms in energy flow and material cycling (Bilingual)
20.7 Conservation of ecosystems (Bilingual)
20.8 Ecological study (Bilingual)
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Chapter 21
21.1 An overview of photosynthesis
21.2 The requirements for photosynthesis
21.3 The site of photosynthesis
21.4 The process of photosynthesis
21.5 Conversion and use of photosynthetic products
21.6 Factors affecting the rate of photosynthesis
21.1 An overview of photosynthesis (Bilingual)
21.2 The requirements for photosynthesis (Bilingual)
21.3 The site of photosynthesis (Bilingual)
21.4 The process of photosynthesis (Bilingual)
21.5 Conversion and use of photosynthetic products (Bilingual)
21.6 Factors affecting the rate of photosynthesis (Bilingual)
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Chapter 22
22.1 An overview of respiration
22.2 The site of respiration
22.3 Aerobic respiration
22.4 Anaerobic respiration
22.5 Comparison of aerobic and anaerobic respiration
22.6 Relationship between respiration and photosynthesis
22.1 An overview of respiration (Bilingual)
22.2 The site of respiration (Bilingual)
22.3 Aerobic respiration (Bilingual)
22.4 Anaerobic respiration (Bilingual)
22.5 Comparison of aerobic and anaerobic respiration (Bilingual)
22.6 Relationship between respiration and photosynthesis (Bilingual)