Monotremes

What is a unique characteristic of monotremes among all mammals?

• They are warm-blooded.

• They have hair.

• They lay eggs.

• They nourish their young with milk.

How do monotremes feed their young?

• Through nipples.

• By regurgitating food.

• With milk that oozes onto the mother's fur.

• By feeding them insects.

Which of the following is a unique feature of the platypus?

• They have a pouch.

• They have spines.

• They are venomous.

• They have a long tongue covered in sticky mucus.

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What defense mechanism does an echidna use when it is alarmed and cannot escape?

• It sprays a foul-smelling liquid.

• It plays dead.

• It curls up into a prickly ball.

• It burrows quickly into the ground.