Hoverflies like to drop in at outdoor picnics to sample the sweets, but the reaction of humans is to flee the scene

because of the flies' uncanny resemblance to bees. Thus, the survival of hoverflies is enhanced by ____.



a. mimicry
b. display behavior
c. warning coloration
d. chemical defenses
e. camouflage


ANSWER: a

Biology & Microbiology

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The fusion of a male gamete with a female gamete is called  

A.  syngamy. B.  meiosis. C.  mitosis. D.  recombination. E.  synapsis.

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In Drosophila, a mutation in a gene for a bicoid transporter gene could result in which of the following?

A. offspring with no head B. offspring with no spiracles C. offspring with two heads and no spiracles D. offspring with the location of the head and spiracles reversed E. offspring with no head and two spiracles

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A developing embryo which lacks an SRY gene will develop into a

a. develop into a male. b. develop into a female. c. develop without gonads. d. develop gonads of both

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A method of controlling the synthesis rate of molecules is called 

A. negative-feedback control. B. tertiary control. C. enzyme-inhibition control. D. depression-feedback control.

Biology & Microbiology