The following is a food chain that ends with human :
plants `to` bee `to` human
(a) Explain how plants provide food for bees.
(b) How do bees provide food for humans ?
(c) How does this food chain differ from a usual food chain involving human such as : plants `to` goat `to` human ?
(d) Do you think that the food chain given in this question can really be regarded as a food chain ? Explain your answer.