Failing to repair the cause of the check engine light will cause it to return after resetting it. Tools required: 1  Handheld Scanner. 2  Locate the OBD II port. 3  Look under the dashboard on your Volkswagen Jetta. 4  Bend down and look under the dashboard to better locate the OBD II port on your Volkswagen Jetta.
The nerve cord in an earthworm performs the same task as the nervous system of any animal. The function of the nervous system is to bring sensory information to the brain, where it is processed. Then, the brain sends signals to the body via the nervous system and those signals cause the animal to move.t's function is simple; â¦ it's the nerves in the worm! If dissected, the nerve cord looks like a thin white line on the ventral (belly) side on the inside of the skin.
Typically only a few inches (7 or 8 centimeters) in length, some members of this species have been known to grow to a serpentine 14 inches (35 centimeters). Earthwormsâ bodies are made up of ring-like segments called annuli. These segments are covered in setae, or small bristles, which the worm uses to move and burrow.Night crawlers are so named because they are usually seen feeding above ground at night.They burrow during the dayâtypically keeping close to the surfaceâcapable of digging down as deep as 6.5 feet (2 meters).hese segments are covered in setae, or small bristles, which the worm uses to move and burrow. Night crawlers are so named because they are usually seen feeding above ground at night. They burrow during the dayâtypically keeping close to the surfaceâcapable of digging down as deep as 6.5 feet (2 meters).