Zoologists extracted the chemical that the Japanese beetle uses to attract a mate, and used it in a trap to reduce the beetle population. Scientists were using a(n)

A. pesticide.
B. pheromone.
C. enzyme.
D. excretion.
E. hormone.


Answer: B

Biology & Microbiology

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Which of the following statements is INCORRECT?

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The first recognized vascular plant fossil was derived from the extinct genus ________, which had leafless stems with simple, forked branches of equal size.

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Male Drosophila melanogaster accessory gland proteins increase egg production in fe-males. Why does this function represent a case of sexual conflict?

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Biology & Microbiology