When a Time Series Appears to Be Increasing at an Increasing

question 155

Multiple Choice

When a time series appears to be increasing at an increasing rate,such that percentage difference from value to value is constant,the appropriate model to fit is the

• A)linear trend.
• B)quadratic trend.
• C)exponential trend.
• D)None of the above.

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Definitions:

Arbuscular Mycorrhizae

A type of mycorrhiza in which the fungus penetrates the cortical cells of the roots of a vascular plant, facilitating nutrient exchange.

Glomeromycota

A phylum of fungi forming symbiotic relationships with the roots of most plants, aiding in their nutrient absorption.

Endomycorrhizae

A type of mycorrhiza in which the fungus penetrates the cortical cells of the roots of a vascular plant, forming a mutualistic relationship.

Chytrids

A phylum of simple, aquatic fungi that can be parasitic or saprobic and have a unique mode of mobility involving flagella.