How Many Unrooted Trees Are Possible for a 22-Species Tree

question 25

Multiple Choice

How many unrooted trees are possible for a 22-species tree?

• A)More than there are stars in the universe
• B)22
• C)945
• D)1

---

Definitions:

Compiler

A software tool that translates source code written in a programming language into machine code, executable by a computer's CPU.

RuntimeException

An exception in programming that indicates a problem that occurs during program execution.

Superclass

A class from which other classes inherit properties and methods; also known as a parent or base class.

Checked Exception

In Java, an exception that is checked by the compiler for handling or declaration in a method's signature.