Methane, answer choice d, is correct.
Answer:
Cell size at division is determined by the balance between cell growth (the increase in mass or volume) and the timing of cell division. Interestingly, faster growth rates in bacteria and eukaryotes lead to larger cell size. ... In this model cells “add” a constant volume (or mass) between cell divisions
Explanation:
Alligators / crocodile , frogs/ toads , seals/ sea lions
The answer would most likely be D. During their development, many organisms look similar, suggesting that very different organisms may have a common ancestor.
This is because this be evidence to the theory of common decent