sexual reproduction in volvox causes different cells to form
sexual_reproduction is reproduction. reproduction is sexual_activity. xxx is sex_chromosome. sexual_relations is form_of_reproduction. breeding is biological_reproduction. males_and_females has genital_intercourse_to_create_offspring mating_of_haploids is mating. mating_of_yeast is mating_of_haploids. cellular_multiplication is asexual_reproduction. sexual_reproduction is biological_reproduction.