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Please note that most of these sheets were not written by ourselves, but are collected from various sources.The majority, but not all links that can be found in the Bible Studies section are included below.adaptive landscape: A graph of the average fitness of a population in relation to the frequencies of genotypes in it.Peaks on the landscape correspond to genotypic frequencies at which the average fitness is high, valleys to genotypic frequencies at which the average fitness is low. adaptive logic: A behavior has adaptive logic if it tends to increase the number of offspring that an individual contributes to the next and following generations.

The Palaeolithic age began when hominids (early humans) started to use stones as tools for bashing, cutting and scraping.The age ended when humans began to make small, fine tools (Mesolithic) and finally when plant crops and have other types of agriculture (Neolithic).In some areas, such as Western Europe, the way that people lived was affected by the Ice age.The geological period which corresponds to the Palaeolithic is the Pleistocene.Stone tools were not only made by our own species, Homo sapiens.