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Stage 1
Answer 3 questions correctly in a row.

Cartilaginous fish are a group of animals with similar traits. The following traits can be used to identify cartilaginous fish:

They have fins, not limbs.
They live underwater.
They have a skeleton made of cartilage.
They make eggs with no shells.

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

Burmese pythons hatch from eggs with shells. They can grow to over 12 feet long! Their scaly, waterproof skin is brown and black.

Tiger sharks get their name from the dark stripes on their body. They can be over 15 feet long, and they have a skeleton made of cartilage, not bone. Tiger shark eggs do not have shells for protection. Instead, the eggs grow and hatch inside the mother shark.