A dibiontic life cycle involves___________________________________________________________________.

	a.	both haploid and diploid cells, each of which divide to form free-living multicellular stages of the life cycle
	b.	one diploid cell that undergoes meiosis, producing four haploid individuals that undergo mitosis to form a free-living stage of the life cycle
	c.	haploid and diploid cells that remain unicellular
	d.	organisms that contain only two cells