Are there healing properties in coconut oil

Which of the following would most directly interfere with sperm production? ingestion of a substance that mimicked inhibin interruption of sustentocytes' production of abp low sperm count use of synthetic steroids (testosterone)

Need , i need a scenario of: artificial selectionmutationnon random mating

Two scientists perform a similar experiment, but each produces a different result. what could this possibly indicate? i. the scientists used different methods to collect the data. ii. the scientists used different methods to interpret data. iii. the results of both experiments are trustworthy. iv. one or both scientists collected data with faulty equipment.