pptx, 30.54 MB
pptx, 30.54 MB
pdf, 6.07 MB
pdf, 6.07 MB

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format:

Specification Point 4.6 - Understand the names given to different trophic levels, including producers, primary, secondary and tertiary consumers and decomposers.

Specification Point 4.7 - Understand the concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer.

Specification Point 4.8 - Understand the transfer of substances and energy along a food chain.

Specification Point 4.9 - Understand why only about 10% of energy is transferred from one trophic level to the next.

Complete set of Chapter 6 Lessons are available.

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