Echinoids 0.0 / 5 ? GeologyEchinoidsA2/A-levelOCR Created by: HannahCavielCreated on: 28-03-17 12:13 49732161085 Across 1. what part of the irregular echinoid was covered in cilia for feeding? (8, 6) 5. what was the area on the oral side of the irregular echinoid which was covered in tubercles (8) 6. what is the entire echinoid skeleton called? (4) 7. where did the tube foot protrude from in a regular echinoid? (4, 5) 8. what is the echinoid phylum? (13) 9. what type of symmetry do irregular echinoids have that regular echinoids don't? (9) Down 2. was the mouth on the upper side or the lower side of the echinoid (5, 4) 3. where were the sperm and eggs released on an echinoid (7, 5) 4. what membrane protected the anus? (9) 10. was an irregular echinoid infaunal or epifaunal? (8)
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