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Biological Anthropology

Editor(s):  Jessica Rothman, Katy Gonder, Holly Dunsworth, Kieran McNulty | 

Where do we come from? Where are we going? These are some of the big questions biological anthropology seeks to answer, using the principles of evolution as a backdrop for formulating and testing hypotheses about humanity's past, present, and future. From this evolutionary perspective, biological anthropologists study whether it is possible to create a world that is free of health disparities between cultures, or how the last wild apes can coexist side-by-side with humans that live sustainably. Like other life scientists, biological anthropologists explore huge, intractable issues by breaking them down into a series of testable hypotheses. This creates a framework for carefully considering alternative explanations and arriving at evidence-driven conclusions.

In the first topic room, entitled Scientific Underpinnings, you will meet biological anthropologists, learn how evolution serves as a backbone of their studies, and discover how these scientists go about the business of testing a hypothesis in the first place.

The other three topic rooms address specialized, but central, areas of study within the field. Paleontology and Primate Evolution explores the prehistory of our closest relatives - the primates - to discover ways in which they are similar to and different from us, and to locate the origin of human characteristics within the broader context of primate adaptations. Some articles highlight individual taxonomic groups, such as the earliest fossil apes or the enigmatic Plesiadapiformes, whereas others discuss evolutionary adaptations, changing primate habitats, or the methods used by paleontologists.

The Human Fossil Record room focuses on the paleoanthropological evidence for hominin evolution over the last 7 million years. Some articles describe how artifacts and ancient hominin remains are analyzed and how scientists infer biology and behavior from these remains. Others illustrate how scientists use geological context and associated animals and plants to help reconstruct the ancient environments where hominins lived and died. In this topic room you will also find articles on the ways ancient physical evidence is used to identify species and build the hominin family tree, allowing us to reconstruct our complex evolutionary history over deep time and vast geographic space.

The other topic room Living Primates explores the amazing diversity of prosimians, monkeys and apes - where they live and how they interact with other species. Here you will find articles on such topics as why primates live in social groups, how primates communicate, and why male primates sometimes commit infanticide. You can learn how primates can be used as living analogs to our distant past as well as what the future may hold for them.


 
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Scientific Underpinnings

Did we destroy the Neanderthals? Did primates raft from Africa to South America? What influences the evolution of humans and our primate relatives today? What is it like to search for hominin fossils or to study wild apes? What tools can we use to study rare, endangered primates and help to conserve them in a rapidly changing world? These are some of the diverse questions answered in this topic room.

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The Living Primates

Why do many primates live in groups? Why do some male primates commit infanticide? Why do some females form strong bonds? What do primates eat and how do they live in ecological communities with other animals? How do primates communicate? Do primates deceive each other? Unraveling the sociality and ecology of our closest living relatives, the non-human primates, can help us shed light on the selective pressures that shaped humans through evolutionary time.

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Paleontology and Primate Evolution

What, if anything, unites primates as a single group, and how do primate adaptations reflects our evolutionary past? What did the earliest primates look like and how are they related to modern forms? How has climate change influenced the diversification of different primate groups? How do primates navigate arboreal and terrestrial habitats? What processes are involved in fossilization and in dating fossils from the distant past?

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Human Fossil Record

Our bodies are records of our evolution. Look at an unfolding embryo, a genome, or a skeleton and you will see our inner fishes, our inner mammals, our inner apes. We carry within us physical evidence of the developmental processes and biological traits that humans share with all — yes, all — other organisms.

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