Study the four statements given below and select the two correct ones out of them.
(i) A lion eating a deer and a sparrow feeding on grain ar ecologically similar in being consumers.
(ii) Predator star fish Pisaster helps in maintainting species diversity of some invertebrates .
(iii) Predators ultimately lead to the extinction of praey species.
(iv) Production of chemicals such as nicotine, strychnine by the palnts are metablic disorders.

Options

A. a and d
B. a and b
C. b and c
D. c and d

Answer

B