Diagram 1 shows a food web containing eight food chains that are marked numerically, i.e. each number indicates a food chain involving the primary producer up to the apex consumer. Refer to Diagram 2 for the categories of consumers in a food chain presented hierarchically. Describe the food web through these links, drawing examples from your natural environment, in at least 150 words. Use the following additional information if necessary: Primary producers (plants) occupy the bottom level in a food chain/food web; Apex consumers (hawk in Diagram 1) occupy the top level.

The diagram illustrates the food chains carried by distinct

consumers

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at different levels by producing heat individually and after the decomposition of waste and dead matter with light energy. The

biomass

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is calculated in kcal per metre square per year.

Overall

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,

it is clear that

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light energy is the main source of the food web.

However

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, the plants are the producers of

this

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chain. The energy stored as

biomass

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is very low for the apex

consumers

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as compared to primary

consumers

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. The primary level of the food web consists of insects

such

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as grasshoppers, bees, butterflies, spiders, caterpillars, and so on with a

biomass

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of 2000.

Also

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, frogs and birds are part of secondary eaters which produces heat as well. Afterwards, the distinct kinds of snakes are

also

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tertiary

consumers

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which eat frogs and rabbits.

Likewise

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, the top level consumer is hawk which releases waste and dead matter

while

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eating snakes with the

biomass

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of 2 only.