Cambridge Cambridge O Level Biology 5090 · 19.1.8
Why food chains are short
- Code
- 19.1.8
- In
- 19.1 Energy flow
- Topic
- 19 Relationships of organisms with one another and with the environment
- Course
- Cambridge O Level Biology 5090
- Board
- Cambridge
Grade boundaries·Cambridge command words
Codes and titles are read by a script from Cambridge's published specification and have not been checked by a person. What each point covers is in the specification itself: Cambridge’s specification.
Points in 19.1 Energy flow
- 19.1.1 The Sun as energy source
- 19.1.2 Dependence on photosynthesis
- 19.1.3 Energy flow through food chains and webs
- 19.1.4 Constructing food chains
- 19.1.5 Producers, consumers and decomposers
- 19.1.6 Food webs
- 19.1.7 Inefficient energy transfer
- 19.1.8 Why food chains are short
- 19.1.9 Energy efficiency of eating crops versus livestock
- 19.1.10 Pyramids of numbers, biomass and energy