Evolution of humanappearsparallel to the progressive development of brain and language skills. As such, the evolution of individual species in the sequence of their appearance is :

The correct evolutionary sequence is: Ramapithecus −→ Homo habilis −→ Homo erectus −→ Neanderthal −→ Homo sapiens.

Step‑by‑step reasoning:
1. Ramapithecus (≈ 14–7 million years ago) is an early hominid that shows the first adaptations toward bipedalism and dental features that set the stage for later Homo species.
2. Homo habilis (≈ 2.4–1.4 million years ago) is the earliest member of the genus Homo. It exhibits a larger brain (about 600 cc) and the use of simple stone tools, representing a clear advancement from Ramapithecus.
3. Homo erectus (≈ 1.9 million to 110 k years ago) shows a further increase in brain size (≈ 900 cc), more sophisticated tools, and fully modern upright walking, marking the next stage after H. habilis.
4. Neanderthal (Homo neanderthalensis, ≈ 400 k–40 k years ago) had a brain volume comparable to modern humans and specialized adaptations for cold climates, placing it after H. erectus in the timeline.
5. Homo sapiens (≈ 300 k years ago to present) represents the culmination of brain expansion, complex language, symbolic thought, and advanced technology, making it the final species in this progression.

Therefore, the chronological order that aligns with the progressive development of brain capacity and language skills is precisely the first option: Ramapithecus −→ Homo habilis −→ Homo erectus −→ Neanderthal −→ Homo sapiens.