Which fossil group will show 5-fold (Pentameral) symmetry, is composed of plates, a mouth and an anus on opposite surfaces?

Echinoids. They belong to the same phylum (Echinodermata) as Crinoids. This classification is defined by an organism showing 5-fold symmetry.

Answered by Jennifer F. Geology tutor

2361 Views

See similar Geology A Level tutors

Related Geology A Level answers

All answers ▸

Why is heat flow over a mid-ocean ridge higher than over an oceanic trench?


What is the difference between a Normal Fault, a Reverse Fault, and a Strike-Slip Fault?


Describe the differences between regional and contact metamorphism.


What is the difference between a natural resource and an economic reserve?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences