Which of the following animals are considered hominiods? Select all that apply.

gibbons
Old World Monkey
orangutans
tarsiers

I think it is a and c

@MsSue

To determine which animals are considered hominoids, we can start by understanding the characteristics of this group. Hominoids, also known as anthropoids, are a group of primates that include humans, great apes (such as orangutans, gorillas, and chimpanzees), and lesser apes (such as gibbons and siamangs). They share several features, including a larger brain size compared to other primates, an absence of a tail, and an ability to walk on two legs (bipedalism).

Now, let's examine the options provided:

1. Gibbons: Gibbons are indeed hominoids. They belong to the family Hylobatidae, which includes small apes known for their agility and swinging locomotion.

2. Old World Monkey: Old World Monkeys are not hominoids. They belong to the family Cercopithecidae and include various monkeys such as baboons and macaques. While they are primates, they do not possess all of the defining characteristics of hominoids.

3. Orangutans: Orangutans are hominoids. They are part of the family Hominidae, which includes orangutans, gorillas, chimpanzees, and humans. Orangutans are the only species of great apes found in Asia.

4. Tarsiers: Tarsiers are not hominoids. They belong to the family Tarsiidae and are small primates found in Southeast Asia. While they share some characteristics with hominoids, such as a larger brain size, they are not part of the hominoid group.

Based on the information provided, the hominoids among the given options are gibbons and orangutans.