Definition: Is a persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle such as wind. Migration depends on some temporary inhibition of station-keeping responses, but promotes their eventual disinhibition and recurrence.
Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)
Definition: The duration of the development from fertilized, deposited or implanted egg to hatching/birth. Corresponds to egg incubation duration in oviparous animals and to gestation period duration in viviparous animals.