Answer:Generally, the longer ago the last common ancestor lived, the less the organisms have in common. Turtles and tortoises share a common ancestor, but began evolving separately a long time ago. ... Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.
Answer: I too feel like that on a daily basis
Explanation:
A cell membrane. Cell membranes are phospholipid bilayers (a.k.a 2 layers of phospholipids)
