When a New England Farm Is Abandoned,its Formerly Plowed Fields

question 10

Multiple Choice

When a New England farm is abandoned,its formerly plowed fields first become weedy meadows,then shrubby areas,and finally forest.This sequence of plant communities is an example of

• A)a trophic chain.
• B)secondary succession.
• C)primary succession
• D)evolution.

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Definitions:

Growth Rate

The rate at which a company's sales or revenues increase over a specified time period.

Catch-Up Growth

The process by which a country or economy grows rapidly in order to close the gap with more developed economies.

GDP Per Person

A measure of a country's economic output that accounts for its population, calculated by dividing the GDP by the total population.

Real GDP

The total value of all goods and services produced by a country in a year, adjusted for inflation, reflecting the economy's actual growth.