The majority of crustaceans are aquatic and the isopods are one of the few groups of which some members now live on land. The only other crustaceans which include a small number of terrestrial species are amphipods (like sandhoppers) and decapods (crabs, shrimp, etc.).emales brood their young in a pouch under their thorax. Isopods have various feeding methods: some eat dead or decaying plant and animal matter, others are grazers or strain food particles from the water around them, a few are predators, and some are internal or external parasites, mostly of fishes.
Vegetable oil is good for you, experts say. FULL STORY. A typical American consumes approximately 3 or more tablespoons of vegetable oil each day. Vegetable oils, like those from soy, corn and canola, are a significant source of calories and are rich in linoleic acid (LA), which is an essential nutrient.
Story highlights. (CNN)In small amounts, vegetable oils are healthy, as they contain fats that are essential in our diets. But our consumption of vegetable oil has increased considerably since the 1960s, and the health effects of high intakes are a source of scientific debate. What researchers agree on is that vegetable oils such as safflower, sunflower, corn, cottonseed and soybean oils, are rich in a type of fat known as linoleic acid.