Echinoids (Regular vs Irregular) 0.0 / 5 ? GeologyF795A2/A-levelOCR Created by: Maria5Created on: 23-05-17 15:55 892473165 Across 1. Who has petaloid ambulacra? (9, 8) 5. Who has tubercles? (4) 6. The pore pairs are located on the ambulacral plate for who? (4) Down 2. Who lives in high energy conditions? (7, 8) 3. Who has a madreporite? (7, 8) 4. Who uses the tube feet for, respiration, attachment and movement? (7, 8) 7. Who has a labrum? (9, 8) 8. Who has an 'Aristotle's lantern'? (7, 8) 9. Who particle feeds? (9, 8)
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