<span>B is the correct answer. Multicellular organisms, as with almost all organisms, begin life as a single cell. The increase in the number of cells can be as a result of cell division or cells combining together. </span>
Answer:
Hi there!
Your answer is B. The discovery of the DNA structure
Explanation:
In 1953 James Watson and Francis Crick discovered the double helix structure to DNA!
Cranial Nerves are paired nerves, since there is one for each side of the body, there are a total of 12 nerves and they are named with Roman numerals and by names that indicate their primary functions.
<h3>What are Cranial Nerves?</h3>
They are a set of nerves that come directly from the brain, unlike the rest of the nerves of the nervous system.
Each pair is numbered with a Roman numeral depending on whether the position from which they leave the brain more or less near the frontal area.
Therefore, we can conclude that Cranial Nerves are paired nerves, since there is one for each side of the body, there are a total of 12 nerves and they are named with Roman numerals.
Learn more about Cranial Nerves here: brainly.com/question/14097756