Which exotic species was NOT accidentally

introduced into the United States?
a. Japanese beetle
b. Dutch elm disease fungus
c. zebra mussel
d. water hyacinth
e. sea lamprey


Answer: d

Biology & Microbiology

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Transduction was discovered in 1952 by this Nobel Prize winner

a. Francois Jacob b. Elie L. Wollman c. Gregor Mendel d. Joshua Lederberg e. Fred Griffith

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The cell body of a motor neuron resides in the spinal cord, but it may control muscles a long distance away. In a giraffe, the ________ of a leg motor neuron may be six feet long!

A. node of Ranvier B. soma C. axon D. dendrite

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During the course of fish evolution, two of the gill arches evolved into ________.

A. the pectoral fins B. the jaw C. gills D. the swim bladder E. No answer choice is correct.

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___________________ are organisms that derive energy from sunlight

A. Phototrophs B. Autotrophs C. Heterotrophs D. Chemotrophs E. Lithotrophs

Biology & Microbiology