Class: Age

Attributes:

• name (String) —

  the short name of the age (e.g. P56)

• description (String) —

  the description of the age

• days (Float) —

  the floating point number of days for the age

• embryonic (Boolean) —

  true if the age is embryonic. If embryonic the day is the number of day after conception

Associations:

• organism (Organism) —

  Organism that this age belongs to

• development_stages (DevelopmentalStage) —

  age has_and_belongs_to_many Development stages

• age_group (AgeGroup) —

  Age group that this age belongs to