Application of modern evolutionary theory to studies of the morphology, ecology, and behaviour of human and non-human primates. Human variation: spatial and temporal variations in humans features. Geographic and climatic variations in body size and other physical features. 4 things that slowed the evolutionary theory from being the staple theory: Religious concept of fixity of species (the clergy had the most power out of any institution, stalled intellectual thoughts) Many ideas and concepts based on subjective ideas of travelers. Separate creation for humans & animals. (more religious nutbars) Each living creature was a separate species. Based on physical traits, living things were separated in more general groups. He believed that humans were in the same category as primeapes. Stated that earth is older than 6000 years old. Sectioned different environmental areas to explain similar plants and animals. I(cid:374)he(cid:396)ita(cid:374)(cid:272)e of a(cid:272)(cid:395)ui(cid:396)ed cha(cid:396)a(cid:272)te(cid:396)isti(cid:272)s. (cid:862)(cid:448)ital fo(cid:396)(cid:272)es(cid:863) (cid:449)ithi(cid:374) (cid:272)(cid:396)eatu(cid:396)es to help the(cid:373) adapt in pressure situations.