দৈনিক যশোর এক্সপ্রেস তাজা খবরের সন্ধানে
Parasitism is understood to be a relationship anywhere between several kinds in which you to shaadi system (parasite) lifetime for the otherwise during the other organism (host), resulting in the servers some extent out of damage. A great parasite minimizes their host’s fitness but develops its fitness, usually of the putting on as well as protection.
Trick Takeaways: Parasitism
- Parasitism is a kind of symbiotic matchmaking where you to system masters at the expense of various other.
- New kinds one to experts is known as the fresh new parasite, as one that is harmed is called the newest machine.
- Over half of every understood types try parasites. Parasites can be found in every physiological kingdoms.
- Types of people parasitic organisms become roundworms, leeches, ticks, lice, and you can mites.
The expression “parasite” originates from the new Greek word parasitos, which means “one who takes during the dining table of some other.” The analysis of parasites and you can parasitism is called parasitology.
You can find parasites owned by all physiological kingdom (animals, plants, fungi, protozoa, micro-organisms, viruses). In the creature kingdom, all of the parasite has a no cost-living equivalent. Examples of parasites is mosquitoes, mistletoe, roundworms, all the worms, presses, as well as the protozoan that causes malaria.
Parasitism compared to. Predation
Both parasitic organisms and you will predators trust another organism for just one otherwise far more info, however they have many variations. Predators kill their target to help you eat they. Thus, predators tend to be physically big and you will/or stronger than its target. Parasites, simultaneously, include far smaller compared to its servers and do not typically eliminate the servers. Rather, an excellent parasite lifetime towards the otherwise inside machine to possess a period of time of time.
Parasitism against. Mutualism vsmensalism
Parasitism, mutualism, and commensalism try around three brand of symbiotic dating ranging from organisms. When you look at the parasitism, one to variety professionals at the cost of additional. When you look at the mutualism, each other variety enjoy the correspondence. Inside the commensalism, that variety positives, since the almost every other was neither harm nor aided.
Version of Parasitism
Parasitic organisms could be categorized considering where they live. Ectoparasites, like fleas and you may presses, go on the outside out-of a breeding ground. Endoparasites, like intestinal worms and you may protozoa in bloodstream, alive to the a great host’s muscles. Mesoparasites, instance particular copepods, go into the beginning from a host body and partially embed themselves.
Living period will likely be a grounds to have classifying parasitic organisms. An enthusiastic obligate parasite needs an atmosphere to complete its life duration. A good facultative parasite is complete their existence years without an atmosphere. Sometimes location and you may lives cycle conditions ple, you will find obligate intracellular parasitic organisms and facultative abdominal parasitic organisms.
- Truly sent parasitic organisms, eg fleas and you will mites, started to their server themselves.
- Trophically transmitted parasitic organisms, such trematodes and you will roundworms, is actually ingested because of the the host.
- Vector carried parasitic organisms have confidence in an intermediate place of transportation them on the definitive machine. A typical example of an excellent vector sent parasite is the protozoan one factors sleeping illness (Trypanosoma), that’s moved because of the biting pests.
- Parasitic castrators often partly otherwise completely prevent a beneficial host’s reproductive feature but let the organism to reside. The ability the newest host could have place towards the reproduction is redirected on the giving support to the parasite. An example is the barnacle Sacculina, and this degenerates the new gonads of crabs in a way that men generate the new appearance of women.
- Parasitoidseventually kill their computers, which makes them almost predators. All the examples of parasitoids is actually bugs one to place its egg to your or for the machine. If the egg hatches, the newest development juvenile functions as food and security.
- A beneficial micropredator periods several servers with the intention that extremely host bacteria survive. Examples of micropredators become vampire bats, lampreys, fleas, leeches, and clicks.
Other types of parasitism is brood parasitism, in which a breeding ground raises the young of your own parasite (elizabeth.grams., cuckoos); kleptoparasitism, in which an excellent parasite takes the latest host’s eating (elizabeth.g., skuas taking dining off their birds); and you will sexual parasitism, where people have confidence in females having survival (e.grams., anglerfish).
Why we You need Parasitic organisms
Parasites damage the machines, it is therefore appealing to think they ought to be eradicated. But really, at least half of all of the known varieties was parasitic. Parasitic organisms serve a crucial role in the an ecosystem. They let control dominating species, making it possible for battle and you will variety. Parasites transfer hereditary procedure anywhere between varieties, helping a task into the evolution. As a whole, the clear presence of parasitic organisms are a positive manifestation of ecosystem health.
