15. shellfish with a jointed exterior skeleton or shell is called a
o a. univalve.
o b. bivalve.
o c. crustacean.
o d. cephalopod.

Shellfish with a jointed exterior skeleton or shell is called a crustacean.

O C. crustacean.

Explanation:

Crustaceans have a hard, jointed outer skeleton, called an exoskeleton, that secures them like a defensive layer. They have five sets of jointed legs, and in certain species, the front pair of legs are changed to shape solid pliers.

Shellfish are utilized as a drawn spread as a sauce for food. Steamed, prepared or barbecued shellfish make tremendous lean protein alternatives. Crustaceans additionally incorporate crabs, lobster, crawfish, shrimp and prawn.

They are high in protein, exceptionally low in fat (and particularly low in soaked fats, which can influence cholesterol levels in an undesirable manner) and contain great omega-3 fats, which can really help bring down your cholesterol.

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7

explanation:

it depends on what grade.

kindergarten to senior year in high school will go for about 7 hours. pre-k will go for bout 4-5 hours. college, it depends on your classes.