What are resistant marine ridges or mounds that are composed primarily of biochemically deposited calcium carbonates?

An adult who follows a 2000-kcal healthy u.s.-style eating pattern should consume ounce-equivalents from the protein foods group per day.

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Dna replication or repair occurs in a cell in all of thw following situations except when