Three of the major characteristics used to classify organisms are cell structure, mode of nutrition and cellularity. These characteristics help scientists determine how organisms are similar to each other as well as how they are different from each other.
The neritic zone is permanently covered with generally well-oxygenated water, receives plenty of sunlight and has low water pressure; moreover, it has relatively stable temperature, pressure, light and salinity levels, making it suitable for photosynthetic life.
The reason of why Brendon experience immense physical pain
and increased craving upon withdrawal because of physical dependence. Physical
dependence is a physical condition that occurs after a gradual drug withdrawal
in which the drug is being chronically used that upon withdrawal, it causes unpleasant
symptoms, mainly, physical.