A Variable That Is Coded as Either Zero or One

question 55

Multiple Choice

A variable that is coded as either zero or one and that has two distinct levels is called a(n) :

• A)regression variable
• B)dummy variable
• C)MANOVA variable
• D)ANOVA variable

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Definitions:

Mutualism

A symbiotic relationship between two species in which both species benefit from the interaction.

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.