Syntrophism or Syntrophy Interaction- Definition, Examples

Syntrophism or Syntrophy Interaction

Syntrophism Definition Syntrophism or syntrophy is a special kind of interaction between two metabolically different organisms where they interact by short-distance metabolite transfer. This type of association enables the organisms involved to carry out a metabolic function that neither of them can perform alone. The growth of one organism depends on nutrients, growth factors, and the substrate provided by the …

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Competition Interaction- Definition and Types with Examples

Competition Interaction

Competition Definition Competition is a biological interaction between two or more organisms of the same or different species where the species compete with each other for different resources. Most of the competitive interaction occurs for the need of food sources that occur in a limited supply when compared to demand. However, organisms might compete for other resources like shelter, light, …

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Predation Interaction- Definition and Types with Examples

Predation Interaction

Predation Definition Predation is a type of ecological interaction where one of the species kills and feeds on the other. The organism that kills and feeds on the dead organism is called the predator, whereas the organism that gets killed is called the prey. Predation is different from scavenging on dead organisms, but predators also scavenge as a part of …

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Amensalism (Antagonism) Interaction- Definition, Types, Examples

Amensalism (Antagonism) Interaction

Amensalism (Antagonism) Definition Amensalism is a type of negative ecological interaction where one of the species is harmed or destroyed while the other either benefits or remains unaffected. Amensalism is usually considered a relationship that exists between organisms of two different species, but cases of such interactions can be observed even within the same species. Amensalism is one of the …

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Commensalism Interaction- Definition, Types and Examples

Commensalism Interaction

Commensalism Definition Commensalism is a type of ecological interaction between two or more species where one of the species is benefitted without either harming or benefitting the other. Commensalism is a positive interaction but is quite different interactions like mutualism or parasitism. It is usually a long term relationship where some species remain in the interaction for their entire life. …

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Protocooperation Interaction- Definition and Examples

Protocooperation Interaction

Protocooperation Definition Protocooperation is a type of ecological interaction where both the species involved in the interaction are benefitted, but the interaction is not obligatory for survival. The interaction between species in protocooperation is simply for the gain they receive from the interaction. The interaction is often considered a type of mutualism (facultative mutualism). Even though the interaction increases the …

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Mutualism Interaction- Definition, Symbiosis, Types and Examples

Mutualism Interaction

Mutualism Definition A mutualism is a form of interaction between organisms of two or more species where all the species benefit from the interaction. The benefits from the interaction can be protection, pollination, dispersal, or provision of nutrients. In most cases, mutualism exists between a pair of species, but some interactions might exist between more than two species. Mutualism can …

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Host-Parasite Interactions

Host-Parasite Interactions

Parasitism is a type of symbiotic relationship between two organisms: a parasite, usually the smaller of the two, and a host, upon which the parasite is physiologically dependent. The host in a host-parasite interaction is the animal that maintains the parasite. Types of Parasites There are two major types of parasites, endoparasites, and ectoparasites, according to location. Endoparasites live within the body of the host …

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