The way that you will easily deduce which one it is is that you'll see the mouth first instead of the anus because of the different ways of development.
A major environmental concern associated with GM crops is their potential to create new weeds through out-crossing with wild relatives, or simply by persisting in the wild themselves. The potential for the above to happen is assessed prior to introduction, and is monitored after the crop is planted as well.
The answer would be C. Chloroplasts. Chloroplasts are only found in plant cells because they create their own food. Chloroplasts are used during the process of photosynthesis which is not done by human fingernails.
Hope this helps!
~Starr
Thr answer should be C hope this helps let me know if itś wrong