A viral species is found to infect host fishes in isolated mountain lakes. The host range is

A. the one or more infected species of fishes that exhibit the viral disease symptoms.
B. All of the answer choices are correct.
C. the specific sizes and shapes of the fish tissue cells that become infected by the viruses.
D. the mountainous area, in which the isolated lakes are found and mapped.
E. impossible to determine, because the isolated lakes don't allow tests for the infection of other fishes.


A. the one or more infected species of fishes that exhibit the viral disease symptoms.

Biology & Microbiology

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