AP BIOLOGY

Detailed explanation-1: -Archegonium is the the female reproductive organ in ferns and mosses. An archegonium also occurs in some gymnosperms, e.g., cycads and conifers. It is a flask-shaped structure, consists of a neck, with one or more layers of cells, and a swollen base and the centre, which contains the egg.

Detailed explanation-2: -Antheridium and archegonium are the male and female reproductive organs in bryophytes respectively.

Detailed explanation-3: -Yes, archegonium is present in bryophytes.

Detailed explanation-4: -Ans: Archegonium is the female sex organ of bryophytes, pteridophytes, and gymnosperms. This female sex organ contains the female gamete the ovum.

Detailed explanation-5: -Bryophytes produce enclosed reproductive structures (gametangia and sporangia), but they do not produce flowers or seeds. They reproduce sexually by spores and asexually by fragmentation or the production of gemmae.