NEET BIOLOGY

Detailed explanation-1: -A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa. Entamoeba histolytica is a protozoan.

Detailed explanation-2: -Parasitism is a kind of symbiosis in which one organism (referred to as the parasite) benefits at the expense of another organism (referred to as the host); the interaction may also cause harm to the host. What is a parasite?

Detailed explanation-3: -Parasitic Nutrition is a mode of heterotrophic nutrition where an organism (known as a parasite) lives on the body surface or inside the body of another type of organism (known as a host). The parasite obtains nutrition directly from the body of the host.

Detailed explanation-4: -Parasitism is generally defined as a relationship between the two living species in which one organism is benefitted at the expense of the other. The organism that is benefitted is called the parasite, while the one that is harmed is called the host.

Detailed explanation-5: -Parasitism is a relationship between two species in which one of them benefitted and the other species is harmed. Symbiosis is a close relationship between two species in which usually both get benefits from each other.