Final answer:
The statement is partially true as balancing calorie intake with physical activity and BMR is complex due to the body's adaptive changes in BMR. Calorie intake should consider these factors along with individual metabolic variations and the body's dynamic responses to diet and exercise.
Step-by-step explanation:
The statement that "Beyond your basal metabolic rate, the additional calories you eat during the day should equal your work and other physical activity" is only partially true. While it is essential to balance calorie intake with the energy used in physical activities and the basal metabolic rate (BMR), it is not always a straightforward equation because the body dynamically adjusts its BMR. For instance, the body will lower the metabolic rate in response to reduced calorie intake rather than simply burning fat, potentially leading to feeling colder and less energetic, which can slow down weight loss.
Your BMR accounts for about 70% to 75% of your daily energy expenditure and relates to the normal, basic functions of the body organs when at rest. Physical activities and exercise contribute additionally and can increase overall metabolic rate beyond the BMR. Since the metabolic rate can adapt, in reality, maintaining a balanced diet and regular exercise is more complex and requires consideration of how the body compensates over time.