Function of... (Echinoids) 0.0 / 5 ? GeologyF795A2/A-levelOCR Created by: Maria5Created on: 23-05-17 16:54 2431 Across 1. What is the function of the petaloid ambulacra? (2, 5, 4, 5) Down 2. Which plate contains pore pairs? (10, 5) 3. What is the function of the Tubercle? (3, 5, 10) 4. What is the function of spines? (3, 7, 3, 7)
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