Chapter 2, Problem 6STP

Summary Introduction

Introduction :

The organisms living together in a community interact and effect each other both positively and negatively, is termed as biological interaction. The interactions may involve organisms of either same species or of different species.

Answer to Problem 6STP

Correct answer :

The correct answer is option (B) Competition.

Explanation of Solution

Explanation/justification for the correct answer :

Option ((B) Competition. It is a type of biological interaction where organisms compete with each other for the same resources. Limited supply of resources such as food, water and territory act as a factor for competition. Due to any natural calamity such as drought, there is a decrease in food supply as a result of which competition for resources between organisms may arise. So, the correct answer is option (B).

Explanation for incorrect answer :

Option (A) Commensalism. It is defined as the relationship between individuals of two species where one species is benefited while the other species is neither benefited nor harmed. So, this is an incorrect answer.

Option (C)When the interactions between individuals of different species results in beneficial effects for both the species is termed as mutualism. So, this is an incorrect answer.

Option (D) Predation. The biological interaction where one organism, the predator, feeds on other organism by killing and eating, is termed as predation. Predator attacks, kills and consumes the prey. So, this is an incorrect answer.