Parasites Flashcards
Some groups/clades contain only…
parasitic animals
Some groups/clades contain…
only parasitic animals
clades that only contain parasites:
acanyhocephala
spiral is
closely related to rotifers
live in small intestines of vertebrates
Other clade that only contains parasitic animals:
Phylum Nematomorpha
Horsehair worm
parasitoids
third group that contains only parasitic animals
Mesozoa
phyla rhombozoa/dicyemida and orthonectida
Only a subset of taxa are parasitic in…
nematoda
cnidaria
myxozoa
parasite of fish and annelid worms
Arachnida
ticks
mites
Crustaceans (arthropoda)
Pentastomida
Sea lice
tongue-eating louse
Insects (arthropoda)
Bed bugs, fleas, lice, botfly
Xenacoelomorpha
Some species are parasitic
recently described phylum
triploblast, acoelomate
perhaps sister to protostomes and deutorostomes
Some animals are only parasite for …
part of their life cycle
Some parasites have complex multi-host life cycle)
(indirect or heteroxenous)
Other parasites are specific to particular host …
(direct or monoxenous)
Some animals may seem like parasites but…
are probably not (e.g. feather mites and demodex face mites)
