Ammonoids 3.0 / 5 based on 1 rating ? GermanA2/A-levelOCR Created by: HannahCreated on: 19-11-12 06:51 2543716 Across 1. what time of coiling so ammonoids have? (7) 5. what was the jet propulsion system primarily used for? (9, 3, 4) 6. what sticks out from the outer margin an provides stability? (4) 7. What is the slot in the outer ventral margin which provides stability? (6) Down 2. the siphuncle is used to control what? (8, 8) 3. what are the tentacles used for (8) 4. where is water expelled after being used for respiration and for jet propulsion (6)
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