The Marine Trophic Index Has Decreased Dramatically Since 1990

question 3

Multiple Choice

The Marine Trophic Index has decreased dramatically since 1990. What does this statement mean?

• A) Invasive species are taking over the oceans.
• B) Higher-level predators are declining in numbers.
• C) Whale numbers have made a dramatic increase.
• D) A, B, and C are true.
• E) None of these answers are true.

---

Definitions:

Consumer Surplus

The difference between the maximum amount a consumer is willing to pay for a good or service and the actual amount they do pay.

Tax

A tax is a mandatory financial charge or some other type of levy imposed upon a taxpayer (an individual or legal entity) by a governmental organization in order to fund government spending and various public expenditures.

Deadweight Loss

The economic efficiency is lessened when a good or service does not attain its equilibrium in the free market.

Tax

Compulsory financial charges imposed by a government on individuals and organizations to fund public expenditures.