Context: 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.
A. Great white sharks use rows of jagged teeth to catch their prey. They have fins instead of limbs, and their skeleton is made of cartilage. Great white shark eggs do not have shells for protection. Instead, the eggs grow and hatch inside the mother shark.
B. Western rattlesnakes have scaly, waterproof skin. They can use their fangs to inject venom into their prey. Western rattlesnakes lay eggs with shells and are usually found in dry areas.
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

A