Answer: The bottom zone of the ocean
Step-by-step explanation:
The bottom zone of ocean has the lowest biodiversity because of the temperature and high pressure.
There are only few organism that are found at such an variable condition.The fishes that are found there have no eyes and are flat in structure.
There is no light and aquatic animals use their receptors to sense their food and enemy.
The correct answer is bottom zone of ocean has the least variety of biodiversity.