The principle of "Separation of Powers" is improved with a bicameral legislature rather than a unicameral legislature because a bicameral legislature:

Responses

creates a legislature that has less power than the judicial branch.
creates a legislature that has less power than the judicial branch.

requires that two bodies of government pass laws
requires that two bodies of government pass laws

creates a legislature that has less power than the judicial branch.
creates a legislature that has less power than the judicial branch.

takes more of the power from the executive branch.

requires that two bodies of government pass laws.

In a bicameral legislature, there are two separate chambers (such as the Senate and the House of Representatives in the US Congress), and both chambers must pass a bill before it can become a law. This ensures that no single group or individual has too much power over the legislative process, promoting the principle of separation of powers. In a unicameral legislature, all legislative power is concentrated in one body, which can potentially lead to less checks and balances on that power.