• Saturday June 25,2022

Interspecific Relations

We explain what interspecific relationships are, what are their main characteristics and examples of these relationships.

Interspecific relations occur between different species of the same ecosystem.
  1. What are interepecific relationships?

It is called ` ` inter-specific relations '' to the different types of interaction that usually take place between two or more individuals belonging to different species. This type of relationship occurs within the framework of a determined ecosystem and generally have to do with satisfying the nutritional or other needs of at least one of the individuals involved.

As the name implies, these types of relationships occur between subjects of different species but the same ecosystem, that is, they share habitat. In this they differ from the intra-specific relationships, which occur between individuals of the same species.

`` Intellectual-specific relations '' can occur between individuals of very different nature, even belonging to realms of life, such as plants and animals, for example . And their classification will depend on the nature of the link established between the two species: if it is beneficial for both, for one or if it causes damage to any of them.

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  1. Commensalism

The clownfish inhabits the sea anemones to be safe from predators.

This type of relationship is beneficial for one of the two individuals involved (called a diner ), without this benefit causing any kind of damage or discomfort to the other body. This is well explained in the name of the term, which comes from the Latin cum mess, that is, "share the table."

An example of commensalism is appreciable among lions and hyenas or other scavenger species in Africa : the latter wait for the former to finish feeding on the hunt, and then take advantage of the abandoned remains of the dam. Another example is that of the clownfish that lives among the sea anemones, staying safe from predators thanks to the toxic effect of the tentacles of those, and without causing any damage to the anemone.

  1. Mutualism

Mutualism often implies some degree of tolerance or cooperation.

Unlike commensalism, in the case of mutualism the association between the two species is mutually beneficial, being useful to both diners. This often implies some degree of tolerance or explicit cooperation between them.

Good examples of mutualism are: flea and tick-based feeding of birds that climb the backs of furry animals such as cows, horses or oxen, relieving them of this plague in exchange for a constant source of food. Another good example is the respectful relationship between a certain type of bulky fish and a small crustacean species, which enter its open mouth to feed on the remains of food between its teeth, cleaning them and receiving free food in return. .

  1. Symbiosis

In lichen, the fungus provides structure and keeps the algae moist and nourished.

It is a very narrow degree of cooperation between species, so much so that both lead a joint life in close association, to the point of being often indiscernible from each other. This cooperation generally has benefits for both (or at least one) of the species.

An example of a symbiotic relationship is that between a fungus and an algae to constitute what we commonly call l'quens : the fungus provides structure and keeps the water moist and nourished. seaweed, who in turn synthesizes carbohydrates that feed it.

  1. Predation

The predator hunts its prey to consume its meat.

Depredation is a type of inter-specific relationship that causes damage (death) to one of the two species involved, since the other feeds on it, destroying and consuming your tissues The consuming species is called the predator or predator, and the consumed species is known as a prey .

There are large and fierce predators in nature, such as lions, snakes or praying mantises, each in its respective ecosystem. They feed on gazelles, mice or insects, respectively, giving them hunt and eating their meat.

  1. Parasitism

Parasitic species can infect human intestines and other animals.

This inter-specific relationship also causes damage to one of the two members involved, while benefiting the other . It is similar in that sense to predation, only that the damage is not massive and immediate, but slower and prolonged in time, to the extent that the species stopped sita consumes fluids or tissues of the parasitized, which suffers the consequences.

Thus, we can cite as examples of this all the species of protozoa, nematodes and bacteria that can infect the intestines of the human being and other similar animals (endoparasites, inside the body), causing diarrhea, inability to assimilate nutrients and other symptoms of disease, while they reproduce and feed within your body. An example is the ectoparasites (outside the body) such as fleas, lice or ticks, which adhere to the skin and suck the blood of parasitized beings.

  1. Competition

Competition occurs when animals compete for territory.

Competition takes place when two species benefit from the same niche, feeding on their resources or obtaining some kind of well-being, but they cannot do so at the same time or in a peaceful way, so They must fight for access to the resource and dissuade the other species in some way to find some other source of food.

This is what happens, for example, when animals compete for territory, trying to control their available resources and monopolize space, available dams, sunlight, etc. This is the case of two plants in front of a limited amount of sunlight, or of two species of jungle felines struggling to establish a hunting ground in which others do not enter.

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