Some organisms are capable of asexual or sexual reproduction. Under favoura conditions, reproduction proceeds asexually. When conditions become more stressful eproduction switches to a sexual mode. Why?

• A. Sexual reproduction is simple and more rapid allowing larger numbers of off springs to be produced.
• B. Sexual reproduction requires two separate individuals, who can mutually provide nutrient support during stress.
• C. Sexual reproduction produces individuals with new combinations of recombined chromosomes increasing diversity.
• D. Asexual reproduction requires more energy.