What defines the Fibonacci sequence?

The Fibonacci sequence is defined by the rule that each number is the sum of the two preceding ones. This means that starting from 0 and 1, the next number in the sequence is calculated by adding the previous two numbers together. For example, after 0 and 1, the sequence continues as follows: 0 + 1 = 1, 1 + 1 = 2, 1 + 2 = 3, 2 + 3 = 5, and so on.

This recursive relationship creates a sequence that grows in a specific pattern, and it is widely recognized in both mathematics and nature. The sequence starts as 0, 1, 1, 2, 3, 5, 8, 13, 21, and so forth. The properties of the Fibonacci sequence have applications in various fields, including computer science, mathematics, and even biology, where it can describe growth patterns in living organisms.

The other options do not correctly describe the Fibonacci sequence. For example, the statement regarding numbers being twice the previous number describes a different multiplicative sequence, while saying that each number must be a prime number limits the sequence to only a specific type of integer. Additionally, describing each