What adaptation do flowers of animal-pollinated plants often have?

Step-by-step solution

The paragraph states that flowers of animal-pollinated plants are often specifically adapted for a particular species of animal. Majority of flowering plants use a range of animals as pollinating agents. Bees, butterflies, flies, beetles, wasps, ants, moths, birds (sunbirds and humming birds) and bats are the common pollinating agents. Among the animals, insects, particularly bees are the dominant biotic pollinating agents. Even larger animals such as some primates (lemurs), arboreal (tree-dwelling) rodents, or eve