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

question 31

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 a tick on a dog and the dog?

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

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Definitions:

Firm's Earnings

The profit that a company generates during a specific period, typically reported quarterly or annually.