ਪ੍ਰਜੀਵੀ ਅਤੇ ਕਮਰਤ ਜੀਵੀ ਕਵਚ ਅੁੰਤਰ ਦਸੋ? Please
Answers
Answer:
Explanation:
Definition:
A parasite is any living organism that depends on another organism for food or shelter, and also causes harm to the host but does not intend to kill the host.
Properties:
A parasite can live inside a host when it is called an endoparasite, or can live outside of a host when it is called an ectoparasite. The parasitic organism, in general, does not directly kill the host but rather uses the host as a vessel for it to complete its life cycle. This means that the parasite often is adapted to take just enough nutrients or use just enough space that the host survives even though it is weakened. In many cases a parasite has several hosts.
Types of organisms that are parasites:
Parasites occur in more than one kingdom of life, and in fact, both animals and plants can have parasites. Even humans can have parasites that can weaken the body.
Examples of parasites:
There are many examples of parasites, including hookworm, tapeworm, body lice, ticks, and fleas. In the plant kingdom there are plants that are parasites, such as the dodder which wraps around the host and uses structures called haustoria to attach directly to the vascular tissue of the host plant to obtain nutrients.
Definition
A parasite can be defined as a living organism that lives on or inside a host but does not usually kill the host. A parasitoid can be defined as a living organism that lives on or inside of a host organism and always kills the host.
Kills host
A parasite may indirectly cause the death of a host, but this is not normally the case. A parasitoid always directly causes the host organism to die.
Live inside the body of the host
Some parasites live inside the body of the host organism and are called endoparasites. Some parasitoids do live inside the body and are known as endoparasitoids.
Live outside the body of the host
Certain of the parasites are called ectoparasites because they live on the outside of the host’s body. Certain parasitoids are ectoparasitoids since they live outside of the body of the host.
Host organisms
Many species of animals and plants are the hosts of numerous species of parasites. Only species of arthropods are hosts to parasitoid organisms.
Examples
Animal parasites include such examples as roundworms, tapeworms, flukes, hookworms, fleas, and ticks; plant parasites include dodder, and a protist parasite includes Plasmodium. Arthropod parasitoids include mainly insects that are all in the endopterygotes and include individuals in the order Hymenoptera, but also a few in the Diptera and Coleoptera.
Answer:
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