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Practice Reading: Reading Fill in the Blanks
ID: #31655
Moth
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Why are moths fatally attracted to the light? One is the old glib explanation that the moths are trying to use the flame to navigate. This does not tell us, however, why it is that in many species only males are thus attracted, and in a few, only females. What's , if moths need to navigate, they must be from a migrating species. Yet most of the time, such moths are not migrating. Indeed, most species do not at all and thus do not need navigation.
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migrate
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