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Stage 1
Answer 4 questions correctly in a row.

Monotremes are a group of animals with similar traits. The following traits can be used to identify monotremes:

They make eggs with shells.
They have fur or hair.

Observe the animals and read the descriptions. Select the one animal that has all of the monotreme traits listed above.

Echidnas are covered in fur and spines. Their spines help protect them from predators. When an echidna is scared, it curls up into a ball! Echidnas lay eggs and feed their offspring milk.

American crocodiles often live where rivers flow into the ocean. In these places, the fresh water and salt water mix. This mixing creates the somewhat salty, or

brackish,

water that these crocodiles prefer. American crocodiles have scaly, waterproof skin and hatch from eggs with shells.