Question

Write the name of the following:-
A. 15 mya primate that was ape-like
B. 2 mya primate that lived in the east Africa grassland

Answer 1

The evolution of the human being or the Homo sapiens has initiated about 15 million years ago in history. The gradual changes in the species in different aspects leads to the development of the Homo sapiens.

Complete answer: A. 1. About 15 million years ago the primates which are similar to the apes are scientifically known as Dryopithecus. They were present on earth about 15 million years ago.

2. Their body structure is similar to the gorilla and the chimpanzee also they have a large number of hairs on their body which is also a feature of apes.
3. In both of these Ramapithecus is more advanced and the Dryopithecus is more primitive.
4. Dryopithecus have more features similar to the apes and therefore it more ape-like structure.
5. These fossils are from the Jurassic period of time.

B. 1. About 2 million years ago the primates who live in the eastern African grasslands are scientifically known as Australopithecines.

2. They are much advanced as they can make stone weapons for the hunting of animals they also know the use of fire and also use it as they did not eat raw meat but for their food requirements, they relay on fruits.
3. This is the last species which have apes like organization of the bones, after that the organization of the bones is more human-like.

Note: The Australopithecines were present in the Cenozoic period and in quaternary time.