Do fish drink water?Osmosis and Fish Water Intake Quiz

What is the main topic discussed in the video?

• Osmosis

• Photosynthesis

• Fermentation

• Respiration

How do freshwater fish primarily take in water?

• Through their gills

• Through their mouth

• Using a straw

• Through their skin

Why do freshwater fish take in water through their gills?

• Because they have more water and less salt in their blood

• Because they have less water and more salt in their blood

• Because they live in saltwater

• Because they need to breathe

What process causes water to flow into the bloodstream of freshwater fish?

• Diffusion(擴散)

• Filtration(過濾)

• Osmosis(滲透)

• Active transport(主動運輸)

Why do freshwater fish urinate(排尿) frequently?

• To attract mates

• To cool down

• To remove excess water

• To remove excess salt

How do saltwater fish primarily take in water?

• Through their gills

• Through their skin

• Through their mouth

• Using a straw

Why do saltwater fish gulp(大口吃、喝) saltwater?

• Because they have more water and less salt in their blood

• Because they live in freshwater

• Because they have less water and more salt in their blood

• Because they need to breathe

What do saltwater fish do to maintain water balance?

• Use a straw

• Gulp freshwater

• Gulp saltwater

• Stop drinking water

How do saltwater fish filter the water they gulp?

• Through their fins

• Through their gills

• Through their skin

• Through their mouth

What do saltwater fish expel while urinating?

• Excess water

• Excess salt

• Excess oxygen

• Excess carbon dioxide