To solve this problem, we need to match the trophic levels with their correct species examples in a grassland ecosystem. Let's analyze each trophic level:$\newline \bullet$(a) Fourth trophic level:$\newline$ - The fourth trophic level typically consists of top predators or tertiary consumers.$\newline$ - Vultures are scavengers and can be considered part of this level as they feed on dead animals.$\newline$ - This matches with (ii) Vulture.$\newline \bullet$(b) Second trophic level:$\newline$