You will hear a recording. Type the missing words in each blank.

These crafty caterpillars trick ants into feeding them by (1) ……………………… the sound of their queen. Ants are social creatures whose (2) ……………………… contain a queen ant, and (3) ……………………….. of worker ants who feed the queen and take care of all her young. Blue butterfly caterpillars have come up with clever ways to (4) ………………… that system. These (5) ……………………….. caterpillars take up residence in the nests of red ants. And they mooch free meals in part by (6) …………………………… their heads to beg for food like all the other ant grubs. But that’s not all. Scientists using (7) ……………………… recording equipment were able to listen to the caterpillars chatter. And found that the interlopers (8) ………………….. the sounds of an adult queen.

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