Adult worms go through a major transformation to develop reproductive organs, and an enlarged cummerbund-like band near the worm's head holds the reproductive organs. Given these facts, what has an enlarged cummerbund-like band that goes through a major transformation among the following options:
- humans
 - legumes
 - bacteria
 - worms
 - goats
 - fish
 - Bats
 - embryos


 

    worms     