Is a periwinke a bivalve or a univelve?

How do producers and consumers interact with each other? Why does breakfast casserole need to be refrigerated overnight? Does onions go good with broccoli? Can you store unopened cans of Chef mate Sausage gravy in a fridge or cooler? What is niter in maple syrup? Is it bad if a goldfish has red on it's fins? Where is Alexander Graham Bell statue located? How Bud is able to eat breakfast the morning after he leaves the Amos's house? What is Halal Chicken mean? Can there be more than one frog in the same tank? What food to give to a hermit crab? What was aggravating the Hamelin cheese makers? What is kasmati rice? How long should you cook microwave popcorn for in a 700 watt microwave? How much does a glass of grapefruit juice at pH 3 contain as many as H as a glass of tomato juice at pH of 4? What are the steps in taking care of a hamster? Adaptations of the tilapia fish to the namibian environment? Do calcium carbonate and sodium chloride react? How many weight watcher points in alpine lace Swiss cheese? What cooked pasta looks the most like a human brain when pressed into a hemispherical shape?