About 25,000 Species of Fish Have Currently Been Named and Identified.This

question 28

Multiple Choice

About 25,000 species of fish have currently been named and identified.This means that fish make up about what percentage of vertebrate species?

• A) 10%
• B) 25%
• C) 40%
• D) 50%
• E) 75%

---

Definitions:

Single-reduction Axle

An axle configuration that uses a single set of gears to reduce the engine speed to the desired wheel speed, providing torque multiplication.

Axle Shafts

Used to transmit drive torque between the differential carrier assembly and the drive wheels. Also known as half shafts and driveshafts.

Air-lift Axle

An additional axle for a vehicle, which can be lowered to spread the load over more wheels or raised when not needed.

Load Carrying

The capability of a structure or vehicle to bear weight or handle added stress.