Diane Dodd Raised Different Fruit Fly Populations on Different Food

question 50

Multiple Choice

Diane Dodd raised different fruit fly populations on different food sources. She found that after about 40 generations the evolution of reproductive isolation was under way. The mechanism of evolution responsible for this was

• A)natural selection.
• B)genetic drift.
• C)gene flow.
• D)mutation.

---

Definitions:

Wages

Generally refer to hourly compensation paid to operating employees; the basis for wages is time.

Workers' Compensation

Insurance that provides wage replacement and medical benefits to employees injured in the course of employment.

Insurance Premium

The amount of money that an individual or business must pay for an insurance policy.

Chronic Problems

Persistent and long-standing issues that resist resolution and continue to affect an individual, group, or system over time.