Bagworm moth caterpillars feed on evergreens and carry a silken case or bag around with them in which they eventually pupate. Adult female bagworm moths are larval in appearance; they lack the wings and other structures of the adult male and instead retain the appearance of a caterpillar even though they are sexually mature and can lay eggs within the 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 around with them in which they eventually pupate. Adult female bagworm moths are larval in appearance; they lack the wings and other structures of the adult male and instead retain the appearance of a caterpillar even though they are sexually mature and can lay eggs within the bag. This is a good example of… a) allometric growth. b) paedomorphosis. c) sympatric speciation. d) adaptive radiation
Solution
The correct answer is b) paedomorphosis. This term refers to the retention of juvenile features in the adult form of an organism. In the case of the bagworm moth, the adult female retains the appearance of a caterpillar, which is its juvenile form.
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