Based on a 24-hour transit time, the time that food from a meal spends in the stomach is approximately…

According to your textbook, the size of a deck of cards can be used in estimating this food portion.

According to the USDA Food Guide, which of the following may be counted as contributing as either protein foods OR vegetables?

In nutrition, the term essential refers to a necessary nutrient that can only be obtained from the diet.

Your food intake on a daily basis affects your health because:

The Daily Values reflect the needs of an average person consuming between ____________ calories per day.

The earliest Homo sapiens from Israel and Ethiopia exhibit the same body proportions as European Neanderthals

The main selective pressure for dark skin in equatorial areas is due to _________________

Which of the following primate groups apparently uses sexual behavior to manipulate relationships rather than to increase reproductive rates?

The survival of mammals at the end of the Cretaceous was linked to the fact that they were arboreal nocturnal insectivores, as were the earliest most primitive primates.