Choose the Correct Pairing Between Aquatic Animal and Type of Gill

question 215

Multiple Choice

Choose the correct pairing between aquatic animal and type of gill:

• A) Adult fish: external gills
• B) Larval salamanders: internal gills
• C) Most adult marine arthropods: external gills
• D) Most adult mollusks: internal gills
• E) Larval insects: internal gills

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Definitions:

Zerks

Grease fittings used for the application of lubricant under pressure directly to mechanical parts, commonly found in automotive and industrial equipment.

S-Cam Actuated Brakes

A type of drum brake system where an S-shaped cam is used to push brake shoes apart and against the brake drum to stop a vehicle.

Wedge Brakes

An air foundation brake system in which an air chamber forces a wedge between brake shoes forcing them into a brake drum to effect retarding force. Wedge brakes are usually actuated on both sides (unlike S-cam brakes) and so have higher theoretical braking efficiencies.

Maintenance Costs

The expenses associated with keeping an item, equipment or property in its best operating condition, including repairs, replacements, and routine check-ups.