Chemoreceptor located at the posterior end.

Chemoreceptor located at the anterior end.

We can classify the nematodes according to the presence or absence of:

It is commonly observed in the esophagus of Trichurida

Which of the following is NOT under the examples of caudal chemoreceptors?

Which of the following is under the examples of caudal chemoreceptor?

They are worms that have cephalic chemoreceptor.

It serves as the sensory organs of the nematodes.

It refers to the location of the nematodes.

Which of the following is not included in the group under Class Adenophorea

Which of the following is not included in the group under Class Rhabditea

All of the following are Ancylostoma spp, EXCEPT

All of the following are Mansonella spp, EXCEPT

All of the following are Angiostrongylus spp, EXCEPT

What are the characteristics of roundworms

Roundworms have complete digestive system, but no circulatory system.

Roundworms gain nutrients by diffusion.

Female worm that is capable of producing eggs even without the help of a male and exhibited by some worms but not all.

Roundworms are provided by separate sexes although some of them are parthenogenic.

Female roundworms that can lay unembryonated egg.

Female maybe oviparous and viviparous.

How many developmental stages that can be observed in roundworms?

Female roundworms that can lay embryonated egg.

Other term for larvae

Produces eggs that contain a fully developed larva.

Worms with caudal chemoreceptors.

Worms without caudal chemoreceptors.

Generally, male of most species have round tail end and produced with special structure such as copulatory bussa.

Two intermediate hosts.

One intermediate host.

All of the following are examples of aphasmids EXCEPT:

Cuticulla is a thick hyaline that covers the body of roundwoms

Adult worms found in small intestines.

Adult worms that are found in large intestines.