Annelida - Oligochaeta - Lumbricidae - Earthworm . Flattened head earthworm reacts to hostile behavior
Annelida - Oligochaeta - Lumbricidae - Earthworm . Respiratory system. Gas exchange occurs through body tegument. A vascular epidermis is common to...蠕蟲 - 無脊椎動物, 泥土
Annelida - Oligochaeta - Lumbricidae - Earthworm . Earthworm contracts body muscles in resting status
Annelida - Oligochaeta - Lumbricidae - Earthworm . Head end. Iridescent lubricant enables continued moisturized skin
illustration of lugworm (arenicola marina) burrowing in sand, casts on beach, and king ragworm (nereis virens) brrowing underground - 環節動物 幅插畫檔、美工圖案、卡通及圖標
illustration of bloodworms (chironomidae) and medicinal leech (hirudo medicinalis) in pond - 環節動物 幅插畫檔、美工圖案、卡通及圖標
Cosplayer Alex Carr aka Nightcrawler attends Fan Expo Vancouver at Vancouver Convention Centre on November 11, 2017 in Vancouver, Canada.
illustration of trochophore, a transparent marine larva showing internal organs and abundance of external cilia - 環節動物 幅插畫檔、美工圖案、卡通及圖標
