Using the symbols +, −, and 0 to indicate interspecific species interactions, where the first symbol refers to the first organism mentioned, what interactions exist between cellulose-digesting organisms in the gut of a termite and the termite?
A) +/+
B) +/0
C) +/−
D) 0/0

Question

Quizplus · Accepted Answer

The cellulose-digesting organisms in the gut of a termite help the termite digest cellulose, which the termite cannot do on its own. This provides the termite with nutrients. In return, the termite provides a habitat and food source for these organisms. This mutual benefit is a +/+ interaction.

Using the Symbols +, −, and 0 to Indicate Interspecific