The correct option is C a-iii, b-iv, c-i, d-ii
All the given animals are found in tropical rainforests.
∙ Red-eyed frog has sticky pads on their feet which help them climb trees very easily.
∙ Monkeys have long tails which help them in grasping branches while climbing the trees.
∙ Toucan is a bird having large beak which helps them reach fruits in the weak branches.
∙ The elephant has a trunk which helps them in picking the food and other items. It also helps them in smelling.