Use the Following Information to Answer the Question Below

question 7

Multiple Choice

Use the following information to answer the question below.
An elementary school science teacher decided to liven up the classroom with a saltwater aquarium. Knowing that saltwater aquaria can be quite a hassle, the teacher proceeded stepwise. First, the teacher conditioned the water. Next, the teacher decided to stock the tank with various marine invertebrates, including a polychaete, a siliceous sponge, several bivalves, a shrimp, several sea anemones of different types, a colonial hydra, a few coral species, an ectoproct, a sea star, and several herbivorous gastropod varieties. Lastly, she added some vertebrates-a parrotfish and a clownfish. She arranged for daily feedings of copepods and feeder fish.
The bivalves started to die one by one; only the undamaged shells remained. To keep the remaining bivalves alive, the teacher would most likely need to remove the ________.

• A) sea anemones
• B) sea star
• C) gastropods
• D) ectoprocts
• E) parrotfish

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Definitions:

Break-Even Price

The financial point at which an asset needs to be sold for an investor to regain their initial outlay without experiencing any gain or loss.

Put

A options contract that gives the owner the right, but not the obligation, to sell a specific amount of an asset at a predetermined price before a specified date.

Premium

An amount paid over the regular price or the intrinsic value for securities, insurance policies, or other financial products.

Margin Deposits

Funds that an investor must deposit as collateral to borrow from a broker to buy securities, typically used for trading on margin.