Early Hominid Vocabulary Houghton Mifflin Message of Ancient Days and Teacher’s Curriculum Institute History Alive: The Ancient World Chapters 1 and 2 prehistory – before written history archaeology – the study of the past through examining objects that people have left behind artifact – an object made or used by people in the past ritual – relating to a ceremony, such as a religious ceremony hominid – a prehistoric human capabilities – skills possessed by a particular group or species anthropology – the study of human development and culture remains – a dead body or the parts of an organism that are left to be examined after death biped – a two-footed animal, or animal that walks on two feet migrate – to move from one geographic region to another community – when a group of organisms share responsibility and care for one another land bridge – a piece of land connecting two continents.