Which Group of Vertebrates Was the First to Evolve a Waterproof

question 32

Multiple Choice

Which group of vertebrates was the first to evolve a waterproof egg, which allowed the group to move away from water, deeper onto dry land?

• A) Primates
• B) Mammals
• C) Lobefins
• D) Reptiles
• E) Birds

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Definitions:

Housing and Financial Crisis

A period of extreme stress in financial markets and banking systems, often leading to a downturn in the housing market and economy.

Short-run Phillips Curve

A graphical representation that shows the inverse relationship between the level of unemployment and the rate of inflation in the economy over the short-term.

Inflation

The rate at which the general level of prices for goods and services is rising, and, consequently, the purchasing power of currency is falling.

Unemployment

Occurs when individuals who are actively seeking work are unable to find employment. It is typically measured as a percentage of the labor force.