According to Your Text, the Annual Cost of Regulation (Federal

question 49

Multiple Choice

According to your text, the annual cost of regulation (federal, state and local) in the United States is estimated to exceed ________ per year.

• A) $500 million
• B) $900 million
• C) $50 billion
• D) $1 trillion

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Definitions:

Mycorrhizae

Symbiotic associations between fungi and the roots of plants, improving nutrient and water uptake.

Epiphytes

Plants that grow on other plants for physical support but do not extract nutrients from their hosts, thus not parasitic.

Species Richness

A measure of the number of different species represented in an ecological community, landscape or region.

Disturbance Hypothesis

posits that disturbances in an ecosystem can create opportunities for new species to colonize, thus affecting biodiversity.