Which of the following is NOT a characteristic of Phylum Nematoda?

In most nematodes

Which of the following structures is/are not found in roundworms

There are approximately _____ identified nematodes.

Scientists predict or believe that there may be as many as _____ nematodes in existance

The pseudocoelom of nematodes may be filled with either _____ or ______.

Most parasitic nematode infections occur in _____ regions.

Ascaris lumbricoides occurs in ______ of the population.

Hookworm is scientifically known as ...

A female Ascaris worm can lay on average about ______ eggs a day.

Adult hookworms feed on ____ while in the host's body.

______ can best be avoided by eating only pork that is cooked to an internal temperature of 170 degrees.

Approximately, what percent of the US population is infected with Trichina worms?

Which of the following is the most common worm disease in the US?

Elephantiasis (pic two)

Roundworm that lives in the small intestine of humans and produces large numbers of eggs that exit with feces and end up being carried to the lungs when ingested by another human host.

Pinworm that becomes established in the lower regions of the large intestine with the females depositing eggs in the perianal area causing an itching sensation.

Filarial worms (also called thread worms) that live in the lymphatic system where they block vessels causing fluid to build up and enlarge various appendages, a condition called elephantiasis.

The nematode ______________________ is a spacious, fluid-filled cavity that contains the visceral organs and forms a hydrostatic skeleton.