Introduction parasitology
5 important questions on Introduction parasitology
What is the difference between intra- and inter- species associations?
Inter-species association: between animals of different species
What are the differences between inter-species associations?
- mutually beneficial association between 2 different species
Communalism
- both species can live independently from each other, but one (or both) may gain advantage form the association
Parasitism
- being dependent on host and benefit from the association at the host's expense
What is a parasite?
Ectoparasite: Parasites that exclusively live of the skin of their host (ticks)
Endoparasite: Parasite that live inside their hosts: intestines, blood, tissues and organs (worms)
- Protozoa: unicellular organisms
- eukaryotic cell that lack some of the familiar organelles
- Metazoa: multicellular organisms
- eukaryotic cells that has specialised cells/organs (brain, digestive and reproduction system)
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What is the difference between the final and intermediate host?
Intermediate host: organism in which the parasite undergoes a specific development and where asexual reproduction might occur but not sexual reproduction
What is the difference between a vector and a reservoir?
Reservoir: some parasite occur in both human and animals. These animals are called reservoir hosts and are a source of infection for humans (zoonotic infections)
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