The Creation of the Dust Bowl and the Migration of the "Okies

question 101

Multiple Choice

The creation of the dust bowl and the migration of the "Okies" to California took place in the

• A)1920s.
• B)1930s.
• C)1940s.
• D)1950s.
• E)1960s.

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Definitions:

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.

Mycorrhizae

A symbiotic association between a fungus and the roots of a vascular host plant, enhancing nutrient and water absorption.