Members of the ____ Flatworm Lineage Are Parasites of Vertebrates

question 51

Multiple Choice

Members of the ____ flatworm lineage are parasites of vertebrates, characterized by modified heads for attaching to the intestinal wall of hosts, and a series of reproductive units called proglottids.

• A) Trematoda
• B) Turbellaria
• C) Polychaeta
• D) Cestoda
• E) Hirudinea

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Definitions:

Mean

The average value of a set of numbers, calculated by dividing the sum of all values by the number of values.

Risk Aversion

A preference for safer investments, avoiding risk even at the expense of lower potential returns.

Risky Securities

Financial instruments that carry a high level of risk, offering the potential for higher returns in exchange for greater likelihood of loss.

Risk Premiums

Additional returns demanded by investors for taking on higher risk, varying according to the perceived risk of the investment.