What are the three types of interactions between organisms in an ecosystem?

a. competition, mutualism, and predation
b. territoriality, predation, and symbiosis
c. competition, predation, and symbiosis
d. commensalism, parasitism, and mutualism

The correct answer is c. competition, predation, and symbiosis

In predation, a predator hunts prey for another organism for food. The organism which is killed is called the prey and the organism which kill other is predator. For example a tiger is predator and deer is a prey.

Competition takes place between two organisms or species which require the same limited resource within an environment. Example of resources are light, food, shelter.

A symbiotic relationship is an interaction between at least two species in which both the interacting partners get benefit. For example lichen, a symbiotic relationship between an alga and a fungus.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project