The Best Evidence to Suggest That Sperm Counts in Men

question 53

Multiple Choice

The best evidence to suggest that sperm counts in men have been declining over time comes from studies in which researchers

• A) collected sperm from men in various cities and compared them to each other.
• B) tracked sperm counts in 1000 men every 2 years over the past 10 years.
• C) compared sperm counts in men who wear boxers to men who wear briefs.
• D) compiled data from many studies of sperm counts that had been published over the past 50 years.
• E) used a much more sophisticated method of measuring sperm than in the past.

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Definitions:

Environment

The sum of all external conditions and influences affecting the life and development of organisms, including natural, social, and built environments.

Stubborn Personality

A personality trait characterized by a persistent refusal to change thoughts, behaviors, or attitudes despite external pressure or evidence.

Long-Term Relationships

Emotional and social bonds that are maintained between individuals over a prolonged period, typically involving mutual respect, affection, and shared experiences.

Measurement Tools

Instruments or techniques used to evaluate, assess, or quantify variables or phenomena in various fields, such as science, education, and health.