Parasitic damages to the host include
A、Mechanical damage
B、immne pathologicla damage
C、Absorb nutrition
D、Hypersensitity
A、Mechanical damage
B、immne pathologicla damage
C、Absorb nutrition
D、Hypersensitity
A、A parasitic animal
B、Parasitic vertebrate
C、Vertebrates parasitized by human parasites
D、Arthropod parasitized by human parasite
A、By mouth
B、By skin
C、By vector
D、By autoinfection
A.Viruses
B.Bacteria
C.Mistletoes
D.Nematodes
A.repeating
B.terminal
C.debilitating
D.recurrent
A、live within various parts of the tree
B、take nutrients from the tree
C、contribute nothing to the well-being of the tree
D、stimulate the metabolic rate of the tree
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