Multiple choice Classify the following organisms (A-crab, B-cuttlefish and C-earthworm): A - Annelida; B -Mollusca; C - Arthropoda A - Annelida; B -Cnidaria; C - Arthropoda A - Arthropoda; B -Cnidaria; C - Annelida A - Arthropoda; B -Mollusca; C - Annelida Reveal answer Fill a bubble to check yourself D Correct answer Explanation Crabs are Arthropoda, cuttlefish are Mollusca, and earthworms are Annelida. Option D correctly identifies these groups.