Vegitative propagation in on litches
Answers
Answer:
Leeches don't carry diseases but can cause death in extreme cases. Small, young specimens of one aquatic leech species, native to Eurasia and Africa, can parasitize both humans and animals. They enter the body either in drinking water or through the excretory openings of persons who bath in infested waters.
Answer:
sexualy or a sexual The majority of leeches live in freshwater habitats, while some species can be found in terrestrial and marine environments. , exhibit parental care, the eggs being brooded by the parent. In terrestrial species, the cocoon is often concealed under a log, in a crevice or buried in damp soil. Almost seven hundred species of leech are currently recognised, of which some hundred are marine, ninety terrestrial and the remainder freshwater.
Leeches have been used in medicine from ancient times until the 19th century to draw blood from patients. In modern times, leeches find medical use in treatment of joint diseases such as epicondylitis and osteoarthritis, extremity vein diseases, and in microsurgery, while hirudin is used as an anticoagulant drug to treat blood-clotting disorders.