Answer:
Even though they might have a common ancestor there might be a closer common ancestor to the original ancestors than the organism you're looking at.
I hope this helps
Explanation:
The correct answer is D) The fossil record reveals intermediates that link different species. Hope this helps.
Answer:
small molecules easily pass through the phospholipids in the cell membrane
B, hormones that serve as chemical messengers im not 100% sure though
Operons afford the organism the opportunity to
simultaneously regulate transcription of multiple genes, whose products are
active in the same process. Operons lead to the synthesis of groups of functionally
related enzymes, usually from a single mRNA transcript hence makes regulation of
the genes highly efficient.