A Typical Kelp Forest Shows Strong Vertical Zonation from the Well-Lit

question 65

Multiple Choice

A typical kelp forest shows strong vertical zonation from the well-lit surface to the bottom, including (from surface to bottom) which of the following zones?

• A) understory, canopy, algae turf
• B) canopy, understory, algae turf
• C) canopy, understory, intertidal
• D) inshore, kelp canopy, offshore

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Definitions:

Aggregate Expenditure

The total amount of spending in an economy, consisting of consumer spending, investment, government spending, and net exports.

Marginal Propensity

The ratio of the change in an economic variable (such as consumption spending) to the change in another variable (such as income).

Planned Investment

Expenditures on capital goods by firms, intended to increase their future production capacity.

Marginal Propensity

The fraction of an additional amount of income that is spent on consumption.