Study the following statements and select then option with correct statements.

(i)   A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers.

(ii)  Predator star fish Pisaster helps in maintaining species diversity of some invertebrates.

(iii) Predators ultimately lead to the extinction of prey species.

(iv) Reserpine is the chemical produced by Calotropis to defend itself from grazing animals.

• A

  (ii) and (iii)

• B

  (iii) and (iv)

• C

  (i) and (iv)

• D

  (i) and (ii)