Antarctic Krill


Learning Objectives

Understand that food chains represent simple feeding relationships

Understand that food webs represent the complex feeding interactions within an ecosystem

Know that food chains always begin with a producer, and in the sea, this is often phytoplankton

Use a range of relevant, scientific vocabulary

Consider the consequences within a food chain or a food web when there is a change in population size of one of the organisms

To understand and recognise the interdependent relationships between predator and prey population numbers

Understand how organisms affect, and are affected by, their environment

Interpret observations and data, including identifying patterns and using observations, measurements and data to draw conclusions

Identify further questions arising from the results


Lesson Description



For immediate access to all of our free Key stage 3 and 4 STEM teaching resources.

1. Teaching Presentation: Food Chains and food webs
2. Teaching notes
3. Teaching presentation: Interdependence of species
4. Teaching notes
5. Teaching presentation: Krill as a keystone species
6. Teaching notes


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