Dairy productsâincluding cheese, ice cream, milk, butter, and yogurtâcontribute significant amounts of cholesterol and saturated fat to the diet.15 Diets high in fat and especially in saturated fat can increase the risk of heart disease and can cause other serious health problems.
Definition of RAY. : any of an order (Rajiformes) of usually marine cartilaginous fishes (as stingrays and skates) having the body flattened dorsoventrally, the eyes on the upper surface, and enlarged pectoral fins fused with the head. ADVERTISEMENT.efinition of RAY. 1. a: any of the lines of light that appear to radiate from a bright object b: a beam of radiant energy (as light) of small cross section c (1) : a stream of material particles traveling in the same line (as in radioactive phenomena) (2) : a single particle of such a stream. 2.
of 07. Marine Biology is the study of plants and animals that live in salt water. Lonnie Duka/The Image Bank/Getty Images. To learn about being a marine biologist, you should first know the definition of marine biology. Marine biology is the study of plants and animals that live in salt water. There are thousands of marine species, and marine biology may include the study of any of them, from tiny plankton to huge blue whales.