Question

Define reproductive phase.

Answer 1

The end of juvenile/vegetative phase marks the beginning of reproductive phase. During this phase, the organisms produce offspring. In higher plants, this phase can be easily seen when they come to flower but in animals, the juvenile phase is followed by morphological and physiological changes prior to active reproductive behaviour. The reproductive phase is also of variable period in different organisms, like some plants, flowers throughout the year, while others show seasonal flowering. In animals like birds, eggs are laid seasonally, but when in captivity (as in poultry farms), they can be made to lay eggs throughout the year. Placental female mammals, undergo cyclical changes in reproductive organs during this phase.

Answer 2

The reproductive phase is the period during which the reproductive system matures and becomes capable of producing gametes and supporting reproduction. In females, it includes processes like the menstrual cycle, ovulation, and fertility from puberty to menopause.