What food cycle starts with the sun and ends with humans

Humans are said to be at the top of the food chain because they eat plants and animals of all kinds but are not eaten consistently by any animals. The human food chain starts with plants. Plants eaten by humans are called fruits and vegetables, and when they eat these plants, humans are primary consumers.

poison levels are being represented and it show how much poison the producer has and how much the consumer has   and damage the organisms in it, particularly in the predators at the end of the chain. this is because accumulating compounds cannot be excreted.

the correct option is option a