Tropical grasslands often have trees that are often covered in thorns. The thorns protect the trees from being eaten or destroyed by the animals that live in the grasslands, like rhinos, for example. A group of animals has adapted to browsing on the leaves and thorns growing on these trees. Which adaptation would be helpful for this group of animals? A) keen eye sight B) short, narrow legs C) long, tough tongues D) a good sense of smell