About This Book
A popular scientific account traces human origins by combining comparative embryology and phylogeny to reconstruct a continuous lineage from single‑celled ancestors through worm‑ and fish‑like stages to primate forebears. It begins with the ovum, cell division and fertilisation, then develops gastræa and coelom theories, vertebrate embryology and the embryonic shield, with extensive cross‑species illustrations and developmental comparisons. Later chapters survey the lancelet and ascidian, estimate lineage durations, and examine the gradual evolution of the nervous, sensory, locomotor, alimentary, vascular and reproductive systems before summarising the conclusions of anthropogeny.
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