Understanding Fish and Water

The video explores whether fish need to drink water, explaining that it depends on their environment. Freshwater fish absorb water through their gills and must expel excess, while saltwater fish lose water through their gills and need to drink to stay hydrated. The video also compares fish water needs to human water balance, highlighting the importance of maintaining proper hydration.

Why don't fish need to be given water like other pets?

• They absorb water from food.

• They don't need water to survive.

• They can produce their own water.

• They live in water.

What happens to your body when it has too much water?

• You feel thirsty.

• You need to drink more.

• You sweat more.

• You get rid of it by urinating.

How do freshwater fish primarily take in water?

• Through their skin.

• Through their gills.

• By drinking it.

• Through their fins.

What is a challenge for freshwater fish regarding water?

• They need to find water sources.

• They need to avoid taking in too much water.

• They need to drink saltwater.

• They need to store water for dry periods.

Why do saltwater fish need to drink water?

• They need to store water for later use.

• They don't have access to water.

• They lose water through their gills.

• They need to dilute their body fluids.

How do saltwater fish manage the salt they ingest?

• They excrete it back into the ocean.

• They convert it into fresh water.

• They use it for energy.

• They store it in their bodies.

What is a unique feature of saltwater fish compared to most animals?

• They can drink saltwater.

• They don't need to drink water.

• They can live without water.

• They produce their own water.

What determines whether a fish needs to drink water?

• The environment it lives in.

• The time of year.

• The type of food it eats.

• The size of the fish.

What is the main difference between freshwater and saltwater fish regarding water?

• Saltwater fish need to drink water.

• Freshwater fish live in the ocean.

• Freshwater fish drink more water.

• Saltwater fish don't need water.

What is the main topic of the video?

• The habitats of fish.

• How fish breathe.

• The water needs of different types of fish.

• The dietary needs of fish.