Sharp teeth that are constantly replaced would be the answer! In order for it to be a specific adaptation you would need the detail of why the animal has that adaption for example fins for stability:)
Mrna carries the transcription (of dna in nucleus) between the nucleus and cytoplasm, there it attaches to ribosomes.
I hope this helps you!! :)
D all of these create a magnetic field. let me know if you want me to explain.
