Marine Aquariums

What happens when saltwater comes into contact with metal in tanks?

• It creates a protective layer.

• It causes rust.

• It purifies the water.

• It strengthens the metal.

What materials are recommended for tanks to avoid rust?

• Metal

• Wood

• Glass or plexiglass

• Plastic

What is the purpose of filtration in tanks?

• To add color to the water

• To provide clean water essential for life

• To increase water temperature

• To reduce water level

Which of the following is NOT a major type of filtration mentioned?

• Biological

• Mechanical

• Chemical

• Electrical

What process is responsible for the natural removal of harmful wastes through bacteria?

• Photosynthesis

• Nitrogen cycle

• Carbon cycle

• Water cycle

What is the primary function of mechanical filtration in water systems?

• Chemical removal of toxins

• Physical removal of particles and waste based on size

• Biological removal of bacteria

• Thermal regulation of water

What does mechanical filtration help maintain in water?

• Low pH levels

• High salt concentration

• Clear water and high dissolved oxygen

• Increased water temperature

What is the most common chemical used in chemical filtration to remove organic compounds?

• Activated charcoal

• Sand

• Gravel

• Limestone

Why are ocean animals sensitive to changes in pH?

• They are used to constant pH levels in the ocean.

• They thrive in fluctuating pH environments.

• They can adapt quickly to pH changes.

• They prefer acidic conditions.

What is the purpose of a "buffer" in an aquarium?

• To maintain a stable pH level.

• To increase water temperature.

• To add nutrients to the water.

• To filter out impurities.