(B) The scientific name of the common American cockroach is $Periplaneta$ $americana$.$Rana$ $tigrina$ is the scientific name of the Indian bullfrog.$

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(B) The scientific name of the common American cockroach is $Periplaneta$ $americana$.$Rana$ $tigrina$ is the scientific name of the Indian bullfrog.$Pheretima$ $posthuma$ is the scientific name of the earthworm.$Eichhornia$ $crassipes$ is the scientific name of the water hyacinth.