The term means “
two beginnings
,” referring to a life cycle with alternation of generations, one parasitic and the other free-living. … All members are endoparasitic with two or more hosts in the life cycle, the first host usually being a mollusc.
What is the meaning of Digenetic life cycle?
Any organism requires two hosts to complete its life cycle
is called as a digenetic life cycle. The life cycle of Plasmodium requires two hosts ( human and mosquitoes) for completion.
Which is a Digenetic parasite?
Monogenetic parasites are the parasites that complete their life cycles in one host only. Digenetic parasites are
those that need more than one host (usually two) to complete their life cycles
.
What is Digenetic host?
Digenetic meaning
Having two or more hosts through the course of the life cycle
, as in some parasites, such as trematodes. adjective. 2. Having two or more hosts through the course of the life cycle, as in some parasites, such as trematodes.
What is Digenetic parasite give an example?
Digenetic parasites need more than one host to complete their life cycle.
Plasmodium vivax, the protozoa that carries malaria
, is digenetic. In order to complete its life cycle, it must be a parasite of both people and mosquitos.
What is Digenetic life cycle give example?
Answer. 100.8k+ views. Hint: Digenetic life cycle: In this type of cycle two hosts are required by an organism to complete its life cycle. For example in the life cycle
of Plasmodium humans and mosquitoes
are required for the completion of their life cycle.
What is Heteroxenous life cycle?
: infesting more than one kind of host especially :
requiring at least two kinds of host to complete the life cycle
—used of various parasites (as the malaria parasites or the liver flukes)
Which one of the following is a monogenetic parasite?
Hence the answer is
Entamoeba histolytica
is a monogenetic parasite, as its life cycle is finished in a solitary host that is man.
What stage of trematodes swim in water?
The hatchling is called a
miracidium
, a free-swimming, ciliated larva. Miracidia will then grow and develop within the intermediate host into a sac-like structure known as a sporocyst or into rediae, either of which may give rise to free-swimming, motile cercariae larvae.
What is Digenetic nematode parasite?
Digenic trematodes are
unsegmented, leaf-shaped worms that are flattened dorsoventrally
. They bear 2 suckers, one surrounding the mouth (oral sucker) and another on the ventral surface of the body (ventral sucker). These serve as the organs of attachment. The sexes of the parasites are not separate (monoecious).
What is definite host?
The definitive host refers to
the organism wherein the parasite reaches its mature form
. Thus, the parasite at this stage is typically capable of reproduction. For example, human tapeworm makes use of human as its definitive host.
What is the meaning of reservoir host?
A
host that serves as a source of infection and potential reinfection of humans
and as a means of sustaining a parasite when it is not infecting humans.
What is the meaning of Monogenetic?
Medical Definition of monogenetic
1 :
relating to or involving the origin of diverse individuals or kinds by descent from a single ancestral individual or kind the entire present human population is
monogenetic.
What is difference between Monogenetic and Digenetic?
Answer: Monogenetic:
If an organism completes its life cycle in a single host organism
. … Digenetic: If an organism completes its life cycle in two host organisms. The larvae develops in one host and the adult develops in another host organism.
What are 3 types of parasites?
There are three main classes of parasites that can cause disease in humans:
protozoa, helminths, and ectoparasites
.
What are 2 examples of parasitism?
The organism that is harming the other one is called a parasite. Examples of Parasitism:
Fleas or ticks that live on dogs and cats
are parasites. They are living off of the blood of the host animal. Lice are another type of parasite.
