The Symbols +, -, and O Are to Be Used

question 19

Multiple Choice

The symbols +, -, and o are to be used to show the results of interactions between individuals and groups of individuals in the examples that follow. The symbol + denotes a positive interaction, - denotes a negative interaction, and o denotes where individuals are not affected by interacting. The first symbol refers to the first organism mentioned.
-What interactions exist between mycorrhizae and evergreen tree roots?

• A) +/+
• B) +/o
• C) +/-
• D) o/o
• E) -/-

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Definitions:

Primary Activities

Those business activities related to the production and distribution of the firm’s products and services, thus creating value.

Support Activities

Business activities that do not add value directly to a firm’s product or service under consideration but support the primary activities that do add value.

Add Value

To add value means to enhance or increase the worth of a product or service through additional features, improved quality, or enhancement of some form.

Differentiation

The process of making a product, service, or business model stand out from competitors, often through unique features, quality, or branding.