Imagine That a Deep Temperate Zone Lake Did Not "Turn

question 40

Multiple Choice

Imagine that a deep temperate zone lake did not "turn over" during the spring and fall seasons. Based on the physical and biological properties of limnetic ecosystems, what would be the difference from normal seasonal turnover?

• A) The lake would be uniformly cold during the winter and summer.
• B) The lake would fail to freeze over in winter.
• C) An algal bloom of algae would result every spring.
• D) Lakes would suffer a nutrient depletion in surface layers.
• E) The pH of the lake would become increasingly alkaline.

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Definitions:

Superseding Cause

An unforeseeable event that interrupts the chain of causation and becomes the primary cause of an incident, relieving the defendant of liability.

Bystanders

Individuals who are present at an event or incident but do not take part in it.

Peril

A specific risk or cause of loss covered by an insurance policy, such as fire, theft, or flood.

World System Theory

A socio-economic theory that suggests the world is a complex system influenced by economic and political relationships between countries, emphasizing the division between core and periphery nations.