Along-term relationship between two species that usually involves an exchange of food or energy is
a. predation.
b. symbiosis.
c. niche.
d. competition.

The correct option is B) Symbiosis.

Symbiosis can be defined as a long term and a close biological interaction or relationship between two species, which involves the exchange of energy or food between them.

Niche is defined as the the position or ecological role played by an organism in a community of plants and animals.  It is determined by a set of environmental conditions, resources, and interactions it require.

On the other hand, Competition ( organisms compete for same environmental resources) and predation ( one population becomes the food resource for another population) are the other forms biological interactions.

wait any answer choices plz

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.