If You Wanted to See Natural Selection Working in a Population

question 57

Multiple Choice

If you wanted to see natural selection working in a population of mosquitoes in response to pesticide, how much pesticide should you use?

• A) enough to kill most but not all the mosquitoes
• B) enough to kill all the mosquitoes
• C) just enough so that the mosquitoes will be exposed but not enough to kill any of them
• D) enough to kill the weakest 1% of the mosquitoes

---

Definitions:

Glycoproteins

Proteins that have carbohydrate chains covalently attached to them, important in cell-cell recognition and signaling.

Hypothalamohypophysial Portal System

A network of blood vessels that directly connects the hypothalamus with the anterior pituitary gland, allowing for efficient communication and hormone regulation.

Lipotropins

Hormones produced by the pituitary gland that are involved in lipid metabolism, including the mobilization of fatty acids from adipose tissue.

Somatotropins

Hormones that stimulate growth, cell reproduction, and cell regeneration in humans and other animals. Also known as growth hormones.