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These are blood sucking parasites.

  • a)
    Earthworm                  

  • b)
    Hookworm

  • c)
    Leeches          

  • d)
    Caterpillar

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
These are blood sucking parasites.a)Earthworm b)Hookwormc)Leeches d)Ca...
Leeches          
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These are blood sucking parasites.a)Earthworm b)Hookwormc)Leeches d)Ca...
Blood Sucking Parasites: Leeches


  • Introduction: Blood sucking parasites are organisms that survive by feeding on the blood of other animals. One such parasite is leeches.

  • Description: Leeches are elongated, worm-like creatures that belong to the phylum Annelida. They are found in freshwater and some marine habitats. Leeches have two suckers, one at the anterior end and one at the posterior end, which they use to attach themselves to their host.

  • Feeding Habits: Leeches are hematophagous, which means they feed on blood. They use their sharp teeth to make a small incision in the skin of their host and then suck out the blood. Some leeches are also capable of secreting an anticoagulant, which prevents the host's blood from clotting, making it easier for the leech to feed.

  • Medical Uses: Despite their reputation as blood-sucking parasites, leeches have been used in medicine for centuries. The anticoagulant properties of leech saliva have been used to help treat blood clotting disorders and to promote blood flow after surgery. Leech therapy is also sometimes used to relieve pain and inflammation.

  • Ecosystem Role: Leeches play an important role in aquatic ecosystems. They help to control the populations of other aquatic animals, such as snails and fish, by feeding on their eggs and larvae. They also help to break down organic matter, which helps to maintain water quality.



In conclusion, leeches are blood-sucking parasites that have both positive and negative impacts on both humans and the environment. While they can be a nuisance to humans and other animals, they also have important medical and ecological roles.
Community Answer
These are blood sucking parasites.a)Earthworm b)Hookwormc)Leeches d)Ca...
Leeches..
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These are blood sucking parasites.a)Earthworm b)Hookwormc)Leeches d)CaterpillarCorrect answer is option 'C'. Can you explain this answer?
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