A-Level Biology Edexcel B 9BI0

10.2: Energy transfer through ecosystems

#10.2i

Understand how energy is transferred between trophic levels using the terms ‘net primary productivity’ and ‘gross primary productivity’.

#10.2ii

Be able to calculate the efficiency of energy transfer between different trophic levels and account for the loss of energy at each level.

#10.2iii

Understand the significance of microorganisms in the recycling of nutrients within an ecosystem.

10.1
The nature of ecosystems
10.3
Changes in ecosystems