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