They have two pairs of main nerve cords organized around a number of paired ganglia. while they don't have a "true brain"-- they have somewhat of a nervous system, composed of the two, or three pairs of nerve cords contained in the visceral mass.
Answer:
turning off the tap while brushing your teeth. using water-saving toilets. installing a water-saving shower head. taking shorter showers.
The organism that hadn't the lowest biotic pontential is the Rhinoceros.
A subduction Zone is most likely to form at the Equator
