Final answer:
Several factors can affect the basal metabolic rate (BMR), including age, daily values, and hunger levels.
Step-by-step explanation:
The basal metabolic rate (BMR) can be affected by several factors including age, daily values, and hunger. Aging generally decreases BMR as the percentage of lean muscle mass decreases. Daily values, such as the number of calories consumed versus the amount burned, can also influence BMR. Additionally, hunger levels can affect BMR as the body may adjust its metabolic rate based on the availability of nutrients.