From the options, I would say it would be option B.
Answer: Lactobacillus
This kind of cell would be considered a friendly cell, a cell that would protect your body. But, it's more into animals then anything else. But, there's all kind of these kind of cells, that's why they can be into any kind of animal and human. Hope this helps.
To much gas has build up in them? I guess
Answer:The question has already been answerd here >https://www.proprofs.com/discuss/q/520196/which-of-the-following-is-not-part-darwins-theory-evolution
In summery the answer is: E. Acquired traits can be inherited
The correct answer to your question is Guanine, so D on plato.
