Final answer:
The type site for Neanderthal morphology, La Chapelle-aux-Saints, provided critical evidence of Neanderthal skeletal structure and burial practices, contributing substantially to our understanding of these ancient humans.
Step-by-step explanation:
The type site for Neanderthal morphology is La Chapelle-aux-Saints in France, a key archaeological location where the first nearly complete Neanderthal skeleton was found. This discovery, among others at various sites, has provided significant insights into the lifestyle and rituals of Neanderthals. For instance, evidence at the Shanidar Cave supports the notion that Neanderthals practiced intentional burials. Moreover, the significant finds of Neanderthal and Homo heidelbergensis remains at the Sima de los Huesos site further contribute to our understanding of these ancient humans. Such discoveries, including the intriguing Homo naledi finds, offer valuable knowledge about prehistoric human species, their behaviors, and their interactions with their environments and each other.