Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
learning

Judged: two independent readers; copy check clear.

photoperiodism

photoperiodism Photoperiodism is the way changes in day length act as a seasonal signal that helps regulate physiology and behavior.

Photoperiodism is the way changes in day length act as a seasonal signal that helps regulate physiology and behavior. In the source packet, it refers to light information shaping biological timing through photoreceptors and clock-related processes so organisms synchronize with seasonal rhythms.