What is the larval stage of leech?
Called lophotrochozoans, they range from clams, snails and octopuses to segmented worms and even earthworms, most of which develop from an egg to an intermediate larval stage called a trochophore before metamorphosing to their final form.
How many Ovi sac are in leech reproductive system?
The two ovisacs present on either side of the ventral nerve cord. Oviduct: From each ovisac a small oviduct arises.
What is the reproduction of leech?
Reproduction. All leeches are hermaphrodites, meaning each one has both male and female reproductive organs. However, they do reproduce sexually–usually by intertwining their bodies together. One leech’s male organ release a spermatophore, or a capsule that encloses sperm, which is then attached to the other leech.
What is a Urinogenital system?
Article Body. The urinary tract includes the kidneys, ureters, and the bladder while the genital system includes the reproductive organs. While urinary tract infections are common in young children, there are other illnesses or diseases that can affect these areas of the body as well.
What do you mean by Urinogenital system?
urogenital system, also called genitourinary system, in vertebrates, the organs concerned with reproduction and urinary excretion. Although their functions are unrelated, the structures involved in excretion and reproduction are morphologically associated and often use common ducts.
What is the body structure of leech?
Leeches are hermaphrodites. Their segmented body consists of head segments containing the anterior brain and the sucker, midbody segments with ganglia and reproductive organs and posterior segments that are fused together posterior to the sucker.
What is the phylum of a leech?
AnnelidLeech / Phylum
Do leeches have live babies?
Leeches lay eggs in cocoons, and the babies that hatch out look and behave like little adults. They don’t change much as they grow, they just get bigger. Leeches that live in habitats that freeze or dry out during part of the year bury themselves in mud and stay dormant until the habitat improves.
Do leeches reproduce asexually?
Most species of annelids can reproduce both asexually and sexually. However, leeches can reproduce only sexually. Asexual reproduction may occur by budding or fission.
How many offspring do leeches have?
After the leeches lay an egg, depending on environmental conditions, it can take anywhere from three weeks to 11 months for an egg to hatch out between five and 200 babies. With regular care and feedings, leeches can live five to six years in human care.