> 2C


Book 2C Chapter 20


 

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Suggested Teaching Scheme (S4 to S6)
Suggested Teaching Scheme (S3 to S6)
Combined Science Suggested Teaching Scheme (S4 to S6)

 

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Book 2C – Windows version

 

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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 20

 

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Chapter 20

 

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Introduction: What is the nature of science?

 

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Introduction

 

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2020 HKDSE Biology