12 Questions
What is the characteristic of all Trematode species in terms of their development?
They develop in two living organisms
What is the usual fate of the eggs liberated by the definitive host?
They pass to water
What is the name of the ciliated embryo that develops from the egg?
Miracidium
What is the role of the second intermediate host in the life cycle of some flukes?
It is required for the transformation of cercaria into metacercaria
What is the final habitat of the adult worms?
Definitive host
What is the fate of the cercariae that enter the second intermediate host?
They transform into metacercaria
What is the function of the neck in the adult cestode?
The growth zone for proglottids
What is the characteristic of mature proglottids?
They are hermaphrodite and have both male and female reproductive organs
Why do cestodes lack a gastrointestinal tract?
Because they absorb already digested nutrients
What is the function of the scolex in the adult cestode?
To attach to the host
What is the characteristic of gravid proglottids?
They contain a uterus filled with fertilized eggs
What is a characteristic shared by all tapeworms?
They are hermaphrodites
Learn about the life cycle of Trematode species, including their development in two living organisms, alternation of hosts, and different stages. Discover the role of definitive hosts, intermediate hosts, and the freshwater snail in the life cycle of these biohelminths. Understand the process of egg liberation and the different stages of development.
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