Which Statement About Rhagoletis Pomonella Is True

question 35

Multiple Choice

Which statement about Rhagoletis pomonella is true?

• A) The apple- and hawthorn-feeding flies differ in their odor preferences.
• B) The apple- and hawthorn-feeding flies can be considered incipient species because they show partial polyploidy.
• C) The apple- and hawthorn-feeding flies emerge seasonally at approximately the same time.
• D) The apple-laying fly is a distinct species from the hawthorn-laying fly.
• E) Larvae of hawthorn-feeding flies grow more rapidly on apples than those of apple-feeding flies.

---

Definitions:

Retrofit

The addition of new technology or features to older systems or vehicles, upgrading their capabilities or performance.

Power Steering Analyzer

A specialty tool for testing steering system hydraulics consisting of hoses, quick-release couplers, a flowmeter, pressure gauge, and flow control valve.

Relief Valve

A safety valve designed to automatically release pressure from a vessel or system when the pressure exceeds safe levels, preventing potential damage or explosion.

Flow Control Valve

Used in hydraulic circuits to regulate the speed of actuators. Functions by defining a flow area and is rated by operating pressure and capacity. It can be used in meter-in or meter-out applications. Two general types are used: bleed-off and fixed orifice.