<span>Bivalvia - Clams, Oysters, Scallops and Mussels.
Cephalopod - Octopi, Squids, Cuttlefish, and the Chambered Nautilus.
Gastropoda - Snails and Slugs.
<span> Polyplacophora - Chitons.</span></span>
Answer: b) storing the genetic code providing substrate for the citric acid cycle providing electrons to the electron transport chain.
The answer is B) ABE <span>∼</span> ADC