Ecosystems and Sustainability · Ecology

Energy Flow and Food Webs

Quantify the transfer of energy between trophic levels and the efficiency of biomass production.

Key Questions

  1. 1Why are food chains rarely longer than four or five trophic levels?
  2. 2How do we calculate the net primary productivity of an ecosystem?
  3. 3What is the impact of removing a keystone species from a complex food web?

National Curriculum Attainment Targets

A-Level: Biology - Energy Transfers in Ecosystems
Year: Year 12
Subject: Biology
Unit: Ecosystems and Sustainability
Period: Ecology

Suggested Methodologies

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Generate a Custom MissionBrowse Lesson Plan Templates

More in Ecosystems and Sustainability

Nutrient Cycling

Examine the nitrogen and carbon cycles, focusing on the role of microorganisms in recycling essential elements.

2 methodologies

Succession and Habitat Management

Investigate how ecosystems change over time through primary and secondary succession.

2 methodologies

Browse curriculum by country

AmericasUSCAMXCLCOBR
EuropeUKIEFRDEESITNLPTSE
Asia & PacificINSGAU