Page 362 - Primary Six Notes

3. Tertiary consumers

Tertiary consumers which can feed on both secondary con-

sumers and primary consumers. e.g. human, killer whale, bald
eagle, hawk

NB: In a food chain , organism like fungi and bacteria help in

reducing food to its component parts ( decay / rot) are called

decomposers

The sun is the main source of energy in a food chain from

which energy flows other organism in the environment

Illustration of a food chain

Producer – primary consumer – secondary consumers – Ter-

tiary consumers – plants grasshoppers – lizard – Hawks

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