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Disputes relating to evolutionary biology are central to the controversy between creationists and the scientific community. The aspects of evolutionary biology disputed include common descent (and particularly human evolution from common ancestors with other members of the great apes), macroevolution, and the existence of transitional fossils.
The idea of the great chain, as well as the derived "missing link", was abandoned in early 20th-century science, [23] as the notion of modern animals representing ancestors of other modern animals was abandoned in biology. [24] The idea of a certain sequence from "lower" to "higher" however lingers on, as does the idea of progress in biology. [25]
Michael Dowd (2009) Thank God for Evolution: How the Marriage of Science and Religion Will Transform Your Life and Our World ISBN 0-452-29534-3; Falk, Darrel; (2004) Coming to Peace with Science: Bridging the Worlds Between Faith and Biology ISBN 0-8308-2742-0
Common descent is a concept in evolutionary biology applicable when one species is the ancestor of two or more species later in time. According to modern evolutionary biology, all living beings could be descendants of a unique ancestor commonly referred to as the last universal common ancestor (LUCA) of all life on Earth.
Evolutionary biology is the study of the evolutionary processes that produced the diversity of life on Earth, starting from a single common ancestor. These processes include natural selection, common descent, and speciation. Evolutionary psychology is the study of psychological structures from a modern evolutionary perspective.
Comparative sequence analysis examines the relationship between the DNA sequences of different species, [1] producing several lines of evidence that confirm Darwin's original hypothesis of common descent. If the hypothesis of common descent is true, then species that share a common ancestor inherited that ancestor's DNA sequence, as well as ...
Two individuals have a genetic relationship if one is the ancestor of the other or if they share a common ancestor. In evolutionary theory, species which share an evolutionary ancestor are said to be of common descent. However, this concept of ancestry does not apply to some bacteria and other organisms capable of horizontal gene transfer. Some ...
The tree of life or universal tree of life is a metaphor, conceptual model, and research tool used to explore the evolution of life and describe the relationships between organisms, both living and extinct, as described in a famous passage in Charles Darwin's On the Origin of Species (1859). [1]