Instead, the title of marine biologist is an umbrella term that can refer to a variety of jobs and purposes, like fish biologist, microbiologist or marine mammalogist. Marine biology is the study of marine ecosystems, which can range from studying individual microorganisms to entire environments.
1 You open a savings account at the bank. 2  The bank pays you interest on the money that you deposit and leave in that account. 3  The bank then loans that money out to other people, only they charge a slightly higher interest rate on the loan than what they pay you for your account.
PERSONAL SAVINGS ACCOUNTS. Arvest offers a variety of savings accounts to help you earn interest while saving money. Our basic Savings account offers unlimited deposits and earns interest on the balance. Arvest also offers a Cool Blue Savings account for those under the age of 18. This account carries no monthly service fee and requires no minimum balance to open.