1. These features make ctenophores capable of increasing their populations very quickly. 2. They have seen worms on and inside ctenophores . 3. Among other projects that year, Morgan completed an experimental study of ctenophore embryology. 4. The cydippid ctenophore " Pleurobrachia bachei" 5. The bilateria are a major group of animals, including the majority of ctenophores . 6. Egg production increases with ctenophore size, and it is unclear when senescence occurs. 7. It feeds on jellyfish, ctenophores , and other soft-bodied planktonic animals. 8. In favorable circumstances, ctenophores can eat ten times their own weight in a day. 9. Little is known about how ctenophores get rid of waste products produced by the cells. 10. In the early 19th century, Georges Cuvier united ctenophores and cnidarians in the Radiata.