No predators exist to eat them and keep the population at a stable size.
C seems like the best choice here. Choice C because Pastuer has added a new portion to the cell theory eased on his new scarification findings. Therefore, scientific theories can be modified with new empirical data. A theory is just an argument widely agreed upon, not exactly a proven piece of information.
Answer: Index fossils are used to identify layers of rocks. The layers will form an arrangement that relates to their age. In simpler terms, a layer that contains fossils are unique to that certain layer.
Index fossils are fossils that are mostly used by scientists due to it being easily found anywhere around the world and in abundant amounts. It can also be easily identified since they are fossils of widely varied organisms that lived during one short time period.
two Barr bodies
A Barr body is the inactivated X chromosome when in a case like this, there is more than one X chromosome for only one place. In this case, because there are two more X chromosomes than it would be normal, it will result in two Barr bodies. So, the number of Barr bodies will be <span>is always the total number of X chromosomes minus one.</span>