Ocean animal, such as whale and shark; Ocean plant, such as alga; Ocean microorganism, such as phage; Ocean virus, such as eukaryon alga virus

• 答：海洋动物，如：鲸鱼、鲨鱼；海洋植物，如：海藻；海洋微生物，如：噬菌体；海洋病毒，如：真核藻病毒