Discuss relationship between lifespan and body size

Question

Problem: Which of the following is true of the relationship between lifespan and body size?

(HINT: think about independent and dependent variables!)

• Body size increases as maximum lifespan increases.
• Maximum lifespan increases as body size increases.
• Maximum lifespan decreases as body size increases.
• Body size decreases as maximum lifespan increases.
• None of these are true.