Primates Multiple Choice

Like all apes they have no tails, but they differ from the great apes in that they are smaller, they exhibit low sexual dimorphism and they don't make nests.

The Simiiformes are an infraorder of primates which include all monkeys and apes but not other primates. The Strepsirrhini are a suborder of primates which include lemurs, bush babies, lorises and pottos, while the Artiodactyla are better known as even-toed ungulates.

The red-handed tamarin has dark brown or black fur covering most of its body, except for its hands, which have reddish-orange fur. There are two subspecies of moustached tamarin, which have white, curly hair around their mouths (which looks similar to a moustache). The emperor tamarin has longer white hair around its mouth, giving it the appearance of having an immense moustache and beard.

Homo erectus existed in modern countries such as China and Indonesia as far back as around two million years ago. Homo habilis existed slightly earlier, but never left Africa. Neanderthals and early humans did travel to East Asia, but they both evolved much later.

These lemurs hop on their hind legs, sideways, using their fore limbs for balance.

They can be active at any time of the day, though they are typically active just after dawn. The aye-aye is the world's largest nocturnal primate.

Though they look somewhat like lemurs, the Talaud and Sulawesi bear cuscuses are both species of possum that live exclusively on Sulawesi.

These animals belonged to the genus Plesiadapis, and are believed to have been related to primates.

It is also known as the African green monkey or the savannah monkey, and can be found in Ethiopia, Sudan, Djibouti and Eritrea.

They are a distinct species, though chimpanzees and bonobos are both species within the genus Pan (they are, in fact, the only species in the genus).

The indri has an average of weight of 6.5 kilograms, which is the same average weight of the diademed sifaka. On average, black lemurs weigh 1.8 to 2 kilograms, aye-ayes weight around 2 kilograms and ring-tailed lemurs weigh 2.2 kilograms.

They live in Asia, specifically in southern China and northern Myanmar and Vietnam.

The two species are the eastern and the western gorilla. There are two subspecies of each species: the eastern lowland gorilla and the mountain gorilla are both eastern gorillas, while the western lowland gorilla and the Cross River gorilla are both western gorillas.

Slender lorises are native to India and Sri Lanka, while slow lorises range from Bangladesh and Northeast India to the Philippines and from China to Java. All lorises are nocturnal.

The Tapanuli orangutan, discovered in 2017, has the smallest population at 800 individuals. The Sumatran orangutan has the next smallest population at 13,846 individuals, while the Bornean orangutan has the largest population at 104,700 individuals.