Your Text Describes an Experiment in Which Low-Nutrient Conditions Select

question 32

Multiple Choice

Your text describes an experiment in which low-nutrient conditions select bacteria that would kill off other bacteria. When nutrients became plentiful again, these killer bacteria became less common because they had lower fitness in this environment, but they didn't become extinct. Why would some of the killer bacteria survive in the new environment?

• A) They're waiting for a future time when that trait may be useful again.
• B) They have changed the killer gene to a less costly one but can regenerate the killer gene when necessary.
• C) Competition must be low enough that the disadvantage of having the killer trait isn't great enough to cause extinction.
• D) The killer trait is a dominant trait, so it cannot be eliminated.

---

Definitions:

Tenancy at Sufferance

A situation where a tenant continues to live in a property after their lease has ended without the consent of the landlord.

Notice to Quit

A written notification given by a landlord to a tenant to vacate the premises within a specified time frame, usually for violating terms of the lease or for holding over beyond the lease term.

Sublease

An agreement where the original tenant leases out a portion or all of their rented property to another tenant.

Terminate

To bring to an end or conclude something, such as a legal contract, employment, or an ongoing process.