What is mosaic evolution?
Q: What is mosaic evolution?
A: Mosaic evolution is a type of evolution where some characters in a transitional form are basal while others are advanced. It involves the evolution of characters at various rates both within and between species.
Q: How does evolutionary change take place rapidly in some body parts or systems despite no simultaneous changes in other parts?
A: Modules or groups of characters change semi-independently of each other. They change at different times, producing a mosaic of primitive and derived traits.
Q: What is the place of mosaic evolution in evolutionary theory?
A: Mosaic evolution is part of long-term trends or macroevolution. It involves the evolution from a basal (early) form to a derived (later) form, taking place in stages.
Q: What is the role of mosaic evolution in major evolutionary transitions?
A: The changes in mosaic evolution play a leading role in major evolutionary transitions.
Q: What is the main source of evidence for mosaic evolution?
A: The evidence for mosaic evolution mainly comes from palaeontology.
Q: Is mosaic evolution a universal pattern in evolution?
A: No, mosaic evolution is not claimed to be a universal pattern in evolution, but it is common. There are a wide range of examples of mosaic evolution from many different taxa.
Q: Can mosaic evolution involve speciations that only produce a few fossils?
A: Yes, mosaic evolution can involve speciations that produce a series of species, only a few of which would be found as fossils.
