Arrange the given species in correct trophic levels in a grassland ecosystem?

(A) Crow
(B) Vulture
(C) Rabbit
(D) Grass

Choose the correct answer from the options given below:

(D), (C), (A), (B)

The correct answer is Option (2) → (D), (C), (A), (B) 

(D) Grass → Producer (Trophic Level 1)
(C) Rabbit → Primary consumer (herbivore, eats grass) (Trophic Level 2)
(A) Crow → Secondary consumer (omnivore/carnivore, can feed on rabbit or insects) (Trophic Level 3)
(B) Vulture → Tertiary consumer (top-level scavenger feeding on dead animals) (Trophic Level 4)

Correct sequence: (D) Grass → (C) Rabbit → (A) Crow → (B) Vulture