7th Grade Echinodermata Quizzes , Questions & Answers

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What Do Know About Phylum Echinodermata? Trivia Quiz

Echinoderms are animals that belong to any member of the phylum Echinodermata. These animals are invertebrates having spiny skin which can easily be identified by their radial symmetry such as starfish, sea urchins, sand dollars,...

Questions: 15 | Attempts: 3469 | Last updated: Jun 10, 2025

Sample Question 1
Which one is incorrectly paired?

Class Asteroidea - sea star

Class Ophiuroidea- feather star

Class Echinoidea – sea urchin

Class Holothuroidea- sea cucumber

Sample Question 2
True or False: Adult echinoderms are radially symmetrical.

True

False

Sample Question 3
Which of the following is NOT true of echinoderms?

They are all marine

Adult echinoderms have a dorsal nerve cord

Their larvae are planktonic

Their larvae are bilaterally symmetrical

Adult echinoderms have pentamerous symmetry

Recent Echinodermata Quizzes

Identify the Class of Echinoderms: Sea Stars, Brittle Stars, Sea Urchins, and More

Enhance your understanding of the Echinodermata phylum by matching common names to their respective classes. This activity focuses on taxonomy within the animal kingdom, specifically echinoderms, fostering skills in biological...

Questions: 5 | Attempts: 35 | Last updated: Dec 1, 2025

Sample Question
What is the scientific classification for sea stars, commonly known as starfish?

Phylum EchinodermataClass Asteroidea

Phylum Chordata - Class Osteichthyes

Phylum Arthropoda - Class Crustacea

Phylum Mollusca - Class Cephalopoda