Answer:
The correct answer is option A) "+/+".
Explanation:
Cellulose-digesting organisms in the gut of a termite and the termite itself have a positive interaction among them. The interaction among these organisms is classified as a symbiotic interaction because both organisms are benefited from it. Cellulose-digesting organisms in the gut of a termite obtain food and protection from the termite, and in return the termite is able to digest the cellulose of wood, its main source of food.
Pond water contains a variety of plant and animal life. While some are visible to the plain eye, others require a microscope to observe them. For example, there's bacteria, protozoa, hydras, algae, and arthropods. You will have the opportunity to see a number of microorganisms from both the plant and animal kingdom.
Salt marshes are primarily influenced by the tidal flow.
