Scientists Now Think Some Ecosystems Undergoing Primary Succession Will Not

question 235

Multiple Choice

Scientists now think some ecosystems undergoing primary succession will not develop into predictable, stable states.Which of these factors might cause an ecosystem to develop into an alternative climax state?

• A) Frequent, repeated disturbances in the same area
• B) A climate that remains completely stable throughout succession
• C) Too much nitrogen in the initial bare surface
• D) Presence of the same plants and animals in the surrounding area
• E) Prevention of any human activity in the area

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Definitions:

Mark-Up

The amount added to the cost of a product or service to cover overhead and profit.

Selling Price

The amount of money for which a product is sold to the customer, after accounting for discounts, rebates, and other adjustments.

Payment

The transfer of money, or its equivalent, from one party to another in exchange for goods, services, or to fulfill a legal obligation.

Mark-Up

The additional amount added to the cost price of goods to cover overhead and profit, resulting in the selling price.