ECOLOGY
ECOSYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a bird building a nest on a tree branch
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a bat pollinating a saguaro cactus
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a flea living on a cat’s blood
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ants protecting a tree that produces the ants’ only food
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Detailed explanation-1: -A parasitic relationship is one in which one organism, the parasite, lives off of another organism, the host, harming it and possibly causing death. The parasite lives on or in the body of the host. A few examples of parasites are tapeworms, fleas, and barnacles.
Detailed explanation-2: -Parasitism is when one species benefits by harming another one. Tell your students that an example of parasitism is fleas. They benefit from living in pets’ fur, while the pets end up getting itchy skin.
Detailed explanation-3: -Examples of parasitism are the helminths (worms) in the intestines of the host, lice (Pediculus humanus capitis) in human head, Plasmodium species transmitted by anopheline mosquito and causing malaria in humans.
Detailed explanation-4: -Parasites include single-celled protozoans such as the agents of malaria, sleeping sickness, and amoebic dysentery; animals such as hookworms, lice, mosquitoes, and vampire bats; fungi such as honey fungus and the agents of ringworm; and plants such as mistletoe, dodder, and the broomrapes.
Detailed explanation-5: -Parasitism in Humans The organisms that parasitize humans include fungi, leeches, lice, viruses, protozoa, tapeworm, etc. Few organisms such as Helminthes live inside the intestine of the host and causes several infectious diseases, such as jaundice, malnutrition, diarrhoea, etc.