Abstract
Classically, heterochrony has been mainly concerned with evolutionary change at the species level. It has been viewed as little more than an ancillary part of evolutionary theory that deals largely with patterns of morphogenesis. But as discussed in Chapter 3, in our view heterochrony is a fundamental process of morphogenesis. Biological evolution, after all, arises from the complex interplay between extrinsic factors, such as natural selection, and intrinsic factors, such as the nature of an organism’s developmental system. This has been shown to embrace two fundamental concepts (Gould, 1989): historicism, that is, form as dictated by past events and past relationships: and formalism, interpreted as the “rules of structure,” wherein an organism’s properties are constrained to some degree by the physical consequences of its inherent structure.
Slow coming to perfection, both for growth and ripeness signifies long life in all creatures. Concerning the length and shortness of the life of living creatures, hitherto negligently observed, and proceeding from divers causes, instead of certain rules hard to find, these notes following may be added.
Francis Bacon, 1638, The Historie of Life and Death
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© 1991 Springer Science+Business Media New York
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McKinney, M.L., McNamara, K.J. (1991). Heterochronic Variation and Environmental Selection. In: Heterochrony. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0773-1_4
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DOI: https://doi.org/10.1007/978-1-4757-0773-1_4
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-0775-5
Online ISBN: 978-1-4757-0773-1
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