Prehensile tails are:Group of answer choicespresent in catarrhine primates.present in all tailed-primates.present only in some platyrrhines.made strictly of muscle.

Prehensile tails are present only in some platyrrhines.

Here's a step-by-step explanation:

1. Prehensile tails are a type of tail found in certain species of animals that have adapted to be able to grasp or hold objects.

2. Catarrhine primates, which include Old World monkeys and apes, do not have prehensile tails.

3. Not all tailed-primates have prehensile tails. Many primates, like baboons and macaques, have tails but they are not prehensile.

4. Platyrrhines, or New World monkeys, are the primates that have some species with prehensile tails. This includes monkeys like spider monkeys and capuchins.

5. Prehensile tails are not made strictly of muscle. They contain a combination of muscle and other tissues that provide the flexibility and strength needed to grasp and hold objects.