A)
(I) (II) (III) (IV) Deer Rabbit Frog Rat
B)
(I) (II) (III) (IV) Dog Squirrel bat Deer
C)
(I) (II) (III) (IV) Rat dog tortoise Crow
D)
(I) (II) (III) (IV) squirrel cat Rat pigeon
Correct Answer: A
Solution :
Producers utilize the radiant energy of sun which is transformed to chemical form during photosynthesis. Thus, green plants occupy the first trophic level. The herbivores constitute the secondary trophic level and the carnivores the third trophic level. Deer is herbivores, rabbit and rat are also herbivores but frog eats the grasshoppers.
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