COOPERATION - Association of individuals into groups allows to obtain benefits, such as protecting the young, facilitate reproduction, and obtain food or defense., COMPETITION - Survival relationships. Two or more organisms use the same resources, so they compete. Organisms may compete for: water, food, light and space, PARASITISM - Symbiotic relationships. Occurs when an organism (called parasite) lives or feeds on another (a host). Parasites benefit from the relationship, but hosts are harmed, PREDATION - Survival relationships. It occurs when a living thing eats another one. The organism that benefits from this relationship is known as predator, while the organism that is harmed is called prey., MUTUALISM - Symbiotic relationships. It occurs when two different species benefit from the relationship they have., COMMENSALISM - Symbiotic relationships. It is a type of relationship between two living organisms in which one organism benefits from the other without harming it.,

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