The chronological order of human evolution from early to the recent is
- Australopithecus ??Ramapithecus ??Homo habilis ??Homo erectus
- Ramapithecus ??Australopithecus ??Homo habilis ??Homo erectus
- Ramapithecus ??Homo habilis ??Australopithecus ?? Homo erectus
- Australopithecus ??Homo habilis ??Ramapithecus ??Homo erectus
The Correct Option is B
Solution and Explanation
Option 2: Ramapithecus → Australopithecus → Homo habilis → Homo erectus
Explanation:
Ramapithecus:
Ramapithecus is one of the earliest known species that is sometimes considered a precursor to the genus Homo. It lived about 12 to 14 million years ago. It is thought to have been closely related to the common ancestor of both humans and great apes. However, its exact place in the human evolutionary tree has been debated, and some scientists no longer classify it as directly related to humans.
Australopithecus:
Australopithecus species (like Australopithecus afarensis) appeared around 4 million years ago. These early hominins are known for their ability to walk upright, and they are among the first known ancestors of humans.
Homo habilis:
Homo habilis, meaning "handy man," is one of the earliest members of the genus Homo and is known for using simple tools. This species lived about 2.4 to 1.4 million years ago. Homo habilis is often considered to mark the first true human species.
Homo erectus:
Homo erectus emerged around 1.9 million years ago and is known for being the first species of early humans to leave Africa and spread into other parts of the world. It is recognized for its more advanced tools, use of fire, and other traits that are closer to modern humans.
Conclusion:
The correct order of human evolution is Ramapithecus → Australopithecus → Homo habilis → Homo erectus.
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Concepts Used:
Evidence for Evolution
Evolution evidence is one of the most important pillars of current biological theory. It is the only way to prove all of the proposed evolution theories. Fossils, comparative anatomy, and embryo development patterns are among the evidence used to support biological evolution.
Fossils are the non-degraded remains of living organisms discovered within rocks. The age of the fossil is determined by the layer in which it was recovered. In comparison to the fossils found in the upper layers, those found farther down are older. They provide insight on the condition of the specific region. Palaeontology is the scientific study of fossils.
Comparative Anatomy describes how many organisms share an origin and how natural selection or genetic drift led to the evolution of many diverse organisms. There were two categories of comparative anatomy found: homologous organs and analogous organs.
In Embryonic Development, until a certain stage of gestation, the embryos of various species have a similar structure. Human embryos, pig embryos, reptile embryos, and bird embryos, for instance, have similar embryonic development. As they grow older, they transform into the appropriate species. This demonstrates common ancestry once again.