a male and a female sex cell are required to perform sexual reproduction
sexual_reproduction is biological_reproduction. sexual_reproduction is not reproduction. sexual_reproduction is reproduction. males_and_females has not genital_intercourse_to_create_offspring males_and_females has genital_intercourse_to_create_offspring male has sex_with_female reproduction is not sexual_activity. reproduction is sexual_activity. sexual_reproduction is not biological_reproduction. males has sex_with_females