A definitive host is an organism in which a parasite reaches its adult form and undergoes sexual reproduction. This host is crucial for the completion of the parasite's life cycle.
5 Must Know Facts For Your Next Test
Definitive hosts are essential for the sexual reproduction of parasites.
Humans can be definitive hosts for several parasites, such as Plasmodium species causing malaria.
In the life cycle of many parasites, there can be multiple intermediate hosts but only one definitive host.
The identification of a definitive host helps in understanding disease transmission pathways and control measures.
Without a definitive host, certain parasites cannot mature or reproduce sexually.