Excretion – Odd one out

The video tutorial discusses various substances excreted by animals, such as sweat, carbon dioxide, and feces. It highlights that fur is not an excreted substance, making it the odd one out in the list provided.

Which of the following is not mentioned as a substance in the introduction?

• Water

• Fur

• Sweat

• Carbon dioxide

Which item is identified as the odd one out?

• Sweat

• Fur

• Carbon dioxide

• Feces

What is the primary reason fur is considered the odd one out?

• It is a waste product

• It is a gas

• It is a liquid

• It is not excreted by animals

Which of the following is a substance excreted by animals?

• Bones

• Feathers

• Carbon dioxide

• Fur

What do sweat, carbon dioxide, and feces have in common?

• They are all used for insulation

• They are all solid substances

• They are all excreted by animals

• They are all gases