Parasitic Worms Lifecycle

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What is a characteristic of A-Dioecious organisms?

They have male and female reproductive organs in separate individuals (correct)

They have both male and female reproductive organs in the same individual

They have only male reproductive organs

They have only female reproductive organs

What type of reproduction involves the fusion of male and female gametes?

Vegetative reproduction

Sexual reproduction (correct)

Asexual reproduction

Artificial reproduction

What is another term for sexual reproduction?

Strategies of genetic reproduction

A-Dioecious reproduction

Strategies of sexual reproduction (correct)

Asexual reproduction

What is the term for the reproductive strategy in which male and female reproductive organs are found in separate individuals?

A-Dioecious Signup and view all the answers

What is a characteristic of A-Dioecious organisms that is different from other reproductive strategies?

They have male and female reproductive organs in separate individuals Signup and view all the answers

What is the basis for the definitive classification of parasitic worms?

External and internal morphology of egg, larval, and adult stages Signup and view all the answers

What is the characteristic of the life cycle of parasitic worms?

Complex and involving multiple stages Signup and view all the answers

Which stage of the parasitic worm's life cycle is harbored by the intermediate host?

Larval stage Signup and view all the answers

What is the role of the definitive host in the life cycle of parasitic worms?

Harbors the adult stage Signup and view all the answers

What type of parasitic worms are being referred to in the passage?

Roundworms and flatworms Signup and view all the answers

What is the result of the female worm producing microfilariae after mating?

The parasite's life cycle is repeated. Signup and view all the answers

What is the name of the parasite that causes inflammation in the skin?

Loa loa Signup and view all the answers

What happens to the microfilariae produced by the female worm?

They migrate to the bloodstream. Signup and view all the answers

What is the outcome of a mosquito bite from an infected mosquito?

The human host is infected with the parasite. Signup and view all the answers

What is the name of the disease caused by the Loa loa parasite?

Loiasis Signup and view all the answers

What type of bodies do roundworms have?

Smooth and cylindrical Signup and view all the answers

How can roundworms be easily distinguished from other parasitic worms?

By their smooth and cylindrical bodies Signup and view all the answers

What is true about the size of roundworms?

They differ greatly in size Signup and view all the answers

Which feature is NOT a characteristic of roundworms?

Segmented bodies Signup and view all the answers

What type of digestive tract do roundworms have?

Complete with oral, gut, and anal openings Signup and view all the answers

Into which two main categories are nematodes classified?

Intestinal nematodes and Tissue nematodes Signup and view all the answers

Which immune system biomarkers are elevated due to nematode invasion?

IgE and eosinophils Signup and view all the answers

Where are nematodes commonly found?

In fresh water, the sea, and the soil Signup and view all the answers

Which description is true about nematode bodies?

They have a smooth body lacking both endo and exoskeleton. Signup and view all the answers

In nematodes, what is the space between organs filled with?

Mesenchyme (parenchyma) Signup and view all the answers

What is true about the digestive system of nematodes, if present?

It is incomplete. Signup and view all the answers

What is typically true about the sexes of nematodes?

They are united (hermaphrodite) with very few exceptions. Signup and view all the answers

Which nematode is the largest of the intestinal nematodes and a common human parasite?

Ascaris lumbricoides Signup and view all the answers