Question

In which of the following interactions, both partners are adversely affected?
A) Mutualism
B) competition
C) predation
D) parasitism

Answer 1

Competition occurs between organisms in an ecosystem when their natures overlap, they both try to use the same resource and the resource is in short supply. Animals compete for the food, water and space to leave. Plants compete for light, water, Minerals and root space.

Complete answer:
competition is an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource such as food, water and territory used by both can be a factor.
Option A-Mutualism-Mutualism is defined as interaction between individuals of different species that result in a positive effect on food capita, reproduction or survival of the interacting population.
Option B-competition-Competition is the aggressive behaviour that occurs when individuals or groups of individuals are in competition with one another. Competition is a rivalry between individuals or groups over something that both sides want to get. competition is the dangerous effect of one organism on another because of the removal of some resource of the environment. This phenomenon can result in major fluctuations in the composition of the microbial population in the soil.
Option C-predation-Predation is usually not considered to be a competition. Predation is biological interaction where one organism is the Predator which kills another organism. Predators are adapted and often highly specialised for hunting with an acute sense of vision, hearing and smell.
Option D-Parasitism- parasitism is the relation between two species of plants or animals in which one benefits at the expense of the Other, sometimes without killing the host organism.

Thus, the answer is option B:Competition

Note:
competition between species can either be related to the extension of one of the species or the decline in both the species. However, this process can often be interrupted by environmental disturbances for evolution, which can change the rule of the game.