Heterochrony
A term for evolutionary variations in the timing rate of the appearance of bodily features and cognitive abilities in an organism or species.
Hippocampus
In the vertebrate brain, a tract of neural matter running back from the olfactory lobe to the posterior end of the cerebrum.
Holarchy
From Arthur Koestler and others, a nested scale or hierarchy composed of integrally whole components.
Holistic
A perspective that takes in and considers an entire scene or system all at once – opposite and complement to reduction.
Hologram
An optical interference pattern illuminated by coherent laser light wherein each minute fraction contains the entire image.
Homeorrhesis
With reference to earth as Gaia, the self-regulation of this geobiosphere system around an evolving point by and for the benefit of the biota.
Homology
The presence of similar evolved, usually anatomical, characters which have descended from a common ancestor.
Homoplasy
The relationship of common characters which arise independently within a certain phylogenetic kingdom.
Hypercycle
A theory for the origin of self-replicating molecular systems which involve feedback loops by which they bootstrap themselves.
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