The importance of cephalization is the development of a control center or brain. The brain is a concentration of nervous tissue that coordinates and controls sensory information and nervous activity. A larger brain allows for smarter and more complex animals.
Why is the research plan pivotal to a research project
I beleive the answer is : Russia
Territorial extent refers to the size of land in which a country has the full rights of all the resources that located on that land.
For comparison, United States and Canada pretty much has the same territorial extent but the Russian's extent could double both Canada and united states.
C.cultural trait is the answer because it is doing what is common for the culture