If a woman enters pregnancy at an appropriate weight for height, what is the recommended total weight gain for a singleton pregnancy?

What is term used to indicate the changes in salinity  as function of depth in an aquatic environment?

To ensure proper brain and visual development in the fetus, a pregnant woman should consume each day at least 300 milligrams of omega-3 docosahexaenoic fatty acid (DHA).

To prevent pathologic anemia of pregnancy, pregnant women should consume how many milligrams of iron daily? 

Which of the following marine ecomorphs were appeared most recently (in geologic time).

The U.S. Food and Drug Administration (FDA) mandates folic acid fortification of refined grains. According to published reports, this fortification has been responsible for a significant reduction in infants born with neural tube defects.

Preeclampsia can impair blood flow to the placenta, which results in decreased delivery of oxygen and nutrients to the fetus, and can lead to premature newborns and infants who are small for gestational age.

During pregnancy, the Recommended Dietary Allowance (RDA) for calcium increases from 1,000 milligrams to 1,500 milligrams.

In your own words, explain why coral reefs have some of the highest species diversity found in the marine biome?

How many additional calories are pregnant women recommended to consume during their second trimester of pregnancy?