Organising an
ecosystem
BIOLOGY CHAPTER 17
, 17.1 Feeding relationships
Producer primary consumer secondary consumer
tertiary consumer
Arrows show the direction of energy transfer
Energy is stored in the biomass
The numbers of different predators and prey rise and fall
ecosystem
BIOLOGY CHAPTER 17
, 17.1 Feeding relationships
Producer primary consumer secondary consumer
tertiary consumer
Arrows show the direction of energy transfer
Energy is stored in the biomass
The numbers of different predators and prey rise and fall