Search Ontology:
GO: Biological Process

photoperiodism

Term ID
GO:0009648
Synonyms
  • response to day length
  • response to night length
  • response to photoperiod
Definition
Any process that results in a change in state or activity of an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of detection of, or exposure to, a period of light or dark of a given length, measured relative to a particular duration known as the 'critical day length'. The critical day length varies between species. (3)
References
Ontology
GO: Biological Process    QuickGO    AmiGO
Relationships
is a type of
has subtype
Phenotype
Phenotype caused by Genes