(a) Discuss the Miocene hominoid remains and their significance in evolution. (20 marks) (b) Compare and contrast the symbolic…

(a) Miocene Hominoid Remains and Their Significance in Evolution

The Miocene (about 23–5.3 million years ago) was the age of apes: dozens of hominoid genera spread across Africa, Europe and Asia before most became extinct as climates cooled and forests shrank. Their remains show when and where the ape and human lineages diverged.

Early Miocene of East Africa (about 23–16 Ma): Proconsul from Rusinga Island and Songhor (Kenya), found by the Leakeys, had a monkey-like, pronograde quadrupedal body but ape features such as the absence of a tail, a relatively large brain and Y-5 molar cusps; it lies near the base of the hominoid radiation. Morotopithecus (Uganda) shows early signs of an orthograde trunk.

Middle Miocene (about 16–11 Ma): Kenyapithecus (Fort Ternan) and Griphopithecus had thick molar enamel and robust jaws for hard foods and spread from Africa into Eurasia. In Europe, Dryopithecus and Pierolapithecus (Spain) show a broad, flat thorax and a stiff lower back adapted for vertical climbing and suspension, the body plan of modern great apes. Danuvius (Germany, about 11.6 Ma) has been claimed to combine suspension with extended-limb walking, a claim still debated.

Asian and Indian evidence: the Siwalik Hills of India and Pakistan (Ramnagar in Jammu and Kashmir, Haritalyangar in Himachal Pradesh, and the Potwar plateau) yielded Sivapithecus (about 12.5–8.5 Ma). Ramapithecus, named by G.E. Lewis in 1934 and promoted by Simons and Pilbeam in the 1960s as the earliest hominid because of its small canines, thick enamel and supposedly parabolic dental arcade, is now included in Sivapithecus (the smaller specimens probably being females). The decisive evidence was the GSP 15000 face from Pakistan (Pilbeam, 1982), whose concave profile, narrow interorbital region and orbit shape resemble the orangutan, while molecular-clock studies (Sarich and Wilson, 1967) had already placed the human–ape split at only a few million years ago. Sivapithecus is therefore regarded as a member of the orangutan (pongine) lineage. The Siwaliks also yielded Gigantopithecus (Indopithecus) from Haritalyangar and the small ape Kapi ramnagarensis (about 13 Ma, described in 2020), the oldest known lesser-ape (hylobatid) fossil.

Late Miocene (about 11–5.3 Ma): Ouranopithecus (Greece), Oreopithecus (Italy, an insular form once claimed to be bipedal), and African Nakalipithecus and Chororapithecus lie close to the divergence of the gorilla, chimpanzee and human lines. The earliest proposed hominins are themselves late Miocene: Sahelanthropus tchadensis (Chad, about 7 Ma), Orrorin tugenensis (Kenya, about 6 Ma) and Ardipithecus kadabba (Ethiopia, about 5.8–5.2 Ma), with reduced canines and evidence suggesting bipedalism.

Significance: the Miocene record documents the origin of the hominoid body plan (tail loss, orthograde posture, suspensory adaptations), dietary shifts shown by enamel thickness, repeated migration between Africa and Eurasia, and the timing of the ape–human split around 7–6 million years ago in Africa. The Ramapithecus episode is also a lesson in method: isolated jaws and teeth can mislead, and fossil and molecular evidence must be read together.

(b) Symbolic Approaches of Clifford Geertz and Victor Turner

Both Geertz and Turner moved anthropology away from structural-functionalism towards the study of symbols and meaning, and both treated ritual and religion as central to culture. They differ in what symbols are and how they should be studied.

Geertz (interpretive anthropology): in The Interpretation of Cultures (1973) he defined culture as "webs of significance" that humans themselves have spun, to be studied by an interpretive science in search of meaning. The anthropologist's task is "thick description", distinguishing, for example, a wink from a twitch by the layers of meaning around the same act. In "Religion as a Cultural System" (1966) religion is a system of symbols that acts as both a "model of" and a "model for" reality, establishing powerful moods and motivations. In "Deep Play: Notes on the Balinese Cockfight" he read the cockfight as a text, "a story they tell themselves about themselves". Symbols are public, shared vehicles of meaning, and culture is read like a text.

Turner (processual symbolic anthropology): working among the Ndembu of Zambia, he treated symbols as operators in social processes. In Schism and Continuity (1957) he developed the "social drama" (breach, crisis, redressive action, reintegration or schism). In The Forest of Symbols (1967) he showed that dominant ritual symbols, such as the milk tree, are multivocal and have an ideological pole (social norms) and a sensory pole (bodily and emotional meanings), fusing obligation with desire. Building on van Gennep's rites of passage, The Ritual Process (1969) developed liminality, the "betwixt and between" phase, and communitas, the egalitarian bond that arises when structure is suspended.

Points of contrast:

1. Nature of symbols: for Geertz, vehicles of shared meaning to be interpreted; for Turner, dynamic forces that act on people and move them to action.
2. Focus: Geertz on culture as an ordered system of meaning (text); Turner on process, conflict and transformation (performance).
3. Method: Geertz uses hermeneutic, literary interpretation of public symbols; Turner uses detailed observation of ritual, informants' exegesis, and the positional and operational meaning of symbols in context.
4. Society and change: Geertz is criticised for neglecting power, conflict and whose meanings count; Turner explicitly links symbols to conflict, crisis and social regeneration.
5. Influence: Geertz shaped interpretive and reflexive anthropology (the "writing culture" debates); Turner shaped the anthropology of performance, pilgrimage and experience.

(c) Integration of Political Economy with Ecological and Adaptability Perspectives in Bio-cultural Anthropology

Earlier biological anthropology studied human adaptability: how populations cope with stresses such as high altitude, cold, heat and undernutrition through genetic adaptation, developmental adjustment and acclimatisation (Paul Baker's Andean studies and the International Biological Programme, A.R. Frisancho). Ecological anthropology (Julian Steward's cultural ecology, Roy Rappaport's systems ecology) explained cultural practices as adjustments to local environments. Both tended to treat the environment as natural and communities as closed, self-regulating systems.

From the 1980s, critics such as R. Brooke Thomas, Alan Goodman and Thomas Leatherman (Building a New Biocultural Synthesis, 1998) argued that many stresses people face are produced by political and economic relations: land alienation, unequal access to food and water, wage labour, markets and state policy. Drawing on political economy (Eric Wolf's Europe and the People Without History, Sidney Mintz's Sweetness and Power, world-systems theory), the new biocultural synthesis asks who controls resources, who bears the stresses and with what biological results.

How the integration works:

1. The environment is treated as socially produced: poverty, displacement and market dependence shape diet, workload and disease exposure, not just climate or terrain.
2. Biological outcomes such as growth stunting, low birth weight, anaemia, infectious disease and chronic stress are used as measures of inequality; the body becomes a record of political-economic history (embodiment).
3. Adaptation is re-examined: coping strategies that help in the short term (for example, reduced growth or migration for wage labour) may carry long-term costs, so adaptation is not always beneficial.
4. Methods combine anthropometry, nutritional and health measures with ethnography, household economics and history.
5. Related fields include political ecology (Piers Blaikie, Michael Watts) and critical medical anthropology (Merrill Singer's syndemics, Paul Farmer's structural violence).

Examples: Leatherman's work in the Peruvian Andes showed that illness among poor households reduced their labour and deepened poverty, a cycle driven by market integration rather than altitude alone. In India, higher rates of child undernutrition among Scheduled Tribes, linked to loss of forest and land rights, displacement by development projects and dependence on wage labour, show how access to resources shapes biology; the Forest Rights Act, 2006 and nutrition programmes can therefore be read as interventions in both political economy and human biology.