The height of Adam, the first man according to Abrahamic religions, is not specified in any religious texts, including the Bible, the Torah, or the Quran. Therefore, any speculation about his height would be pure conjecture. However, we can make some educated guesses based on what we know about human evolution and anthropology.
The oldest hominid species that has been discovered is Sahelanthropus tchadensis, which lived in Chad about 7 million years ago. This species had a small brain and walked on two legs, but it had a sloping forehead and other features that distinguished it from modern humans. Over the next few million years, several other hominid species appeared and disappeared, including Orrorin tugenensis, Ardipithecus ramidus, and Australopithecus afarensis, which is best known from the fossil of a female known as “Lucy.”
The first Homo species, Homo habilis, appeared about 2.8 million years ago. This species had a larger brain and more human-like features, such as opposable thumbs and a reduced snout. Over the next million years, several other Homo species appeared and disappeared, including Homo erectus, Homo heidelbergensis, and Homo neanderthalensis, which was a close relative of modern humans but went extinct about 40,000 years ago.
Finally, anatomically modern humans, Homo sapiens, appeared about 300,000 years ago in Africa. These early humans had a similar height to modern humans, but their skulls were slightly different, and their brains were smaller. However, over time, our brains have grown larger, and our skulls have changed shape to accommodate this growth.
Therefore, based on what we know about human evolution and anthropology, it is unlikely that Adam was a giant. If we assume that Adam was a Homo sapiens, then he would have had a similar height to modern humans, which is about 5’7″ for men and 5’3″ for women on average. However, it is possible that Adam belonged to an earlier hominid species, which may have been shorter or taller than modern humans.
In conclusion, the height of Adam is not specified in any religious texts, and any speculation about his height would be pure conjecture. However, based on what we know about human evolution and anthropology, it is unlikely that Adam was a giant, and he would have had a similar height to modern humans if he belonged to the Homo sapiens species.