Bagworm moth caterpillars feed on evergreens and carry a silken case or bag aroundwith them in which they eventually pupate. Adult female bagworm moths are larval inappearance; they lack the wings and other structures of the adult male and instead retainthe appearance of a caterpillar even though they are sexually mature and can lay eggs withinthe bag. This is a good example of…a) allometric growth.b) paedomorphosis.c) sympatric speciation.d) adaptive radiation.
Question
Bagworm moth caterpillars feed on evergreens and carry a silken case or bag aroundwith them in which they eventually pupate. Adult female bagworm moths are larval inappearance; they lack the wings and other structures of the adult male and instead retainthe appearance of a caterpillar even though they are sexually mature and can lay eggs withinthe bag. This is a good example of…a) allometric growth.b) paedomorphosis.c) sympatric speciation.d) adaptive radiation.
Solution
This is a good example of paedomorphosis. Paedomorphosis is a type of evolutionary change in which adults of a species retain traits previously seen only in juveniles. In this case, the adult female bagworm moth retains its caterpillar-like appearance into adulthood.
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