4.5a Food Chains

understand the concept of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of transfer.

food chains link together the producer, primary consumer, secondary consumer and tertiary consumers.

1. organism per trophic level
2. food chains cannot show omnivores
3. no organisms that feed in more than 2 trophic levels
4. shows flow of matter and flow of energy