Question

match the echinoderm class with its corresponding description:
asteroidea
echinoidea
holothuroidea
ophiuroidea
crinoidea
brittle stars and basket stars feather stars and sea lilies sea cucumbers sea stars sea urchins and sand dollars

Explanation:

To solve this, we match each echinoderm class with its description:

• Asteroidea: Known as sea stars.
• Echinoidea: Includes sea urchins and sand dollars.
• Holothuroidea: Comprises sea cucumbers.
• Ophiuroidea: Consists of brittle stars and basket stars.
• Crinoidea: Includes feather stars and sea lilies.

Answer:

• Asteroidea: Sea stars
• Echinoidea: Sea urchins and sand dollars
• Holothuroidea: Sea cucumbers
• Ophiuroidea: Brittle stars and basket stars
• Crinoidea: Feather stars and sea lilies