Human is the definitive host. There is no intermediate host. Tramission is human - feces - human. Adult ascarids live in the small intestines.
What is the causal organism of roundworm?
Causative agent: Ascaris lumbricoides hominis]
Which animals are the intermediate host for roundworms?
Snails and Crustacenas as Intermediate Hosts of Human Disease. Freshwater snails are the intermediate hosts of a variety of trematodes (flukes) and some nematodes (roundworms) that cause many human diseases.
Do roundworms need a host to survive?
Roundworms are parasites — organisms that need to live on or in another creature to survive. Often, the parasite causes problems for its host (creature it depends on). For roundworms, they need the body of humans or other animals to mature into egg-laying adults.
Do roundworms need a host to reproduce?
Roundworms reproduce sexually. Sperm and eggs are produced by separate male and female adults. Fertilization takes place inside the female organism.
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