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The abyssal zone is a unique biome, as it is the only biome with organisms that survive from chemosynthesis, and has organisms that withstand immense pressure just to live in this biome. Also, this is the one of the only biomes in the world that contains organisms with bioluminescence, as shown in the Finding Nemo clip. The abyssal zone is a strange, while intriguing biome that is very different from all other biomes. Thank you for watching!
In the abyssal zone, all organisms must be able to withstand a great amount of pressure. Also as food is sparse, organisms must also be able to go for a long time between meals.
By Spencer George and Alex Roberts
Only one type of flora found in the Abyssal Zone:
-Phytoplankton
Because the water is so deep, sunlight cannot reach the plants to carry out photosynthesis. Though these phytoplankton cannot get energy from the sun, their energy comes from a process called chemosynthesis.
Sources (Floral, Climate and
Chemosynthesis)
The phytoplankton living in the abyssal zone are different from other phytoplankton: they obtain energy through chemosynthesis.
Chemosynthesis is the process by which organisms make their food through chemical reactions. In the abyssal zone, organisms live by thermal vents and use chemicals being expelled from the vents to create food through bacterium specialized for chemosynthesis.
The Abyssal Zone
The abyssal zone is a deep water biome. This zone is one of the many Benthic zones in the ocean. The abyssal zone is a flat plain that does not have many hills or other geographic forms.
Positive
Negative
Because this biome is so deep in the water, no sunlight can reach these depths leaving it in perpetual darkness. As a result of this darkness, the water temperature is 2 Celsius to 3 Celsius.
There are more than 200 species of anglerfish, most of which live in the murky depths of the Atlantic and Antarctic oceans, up to a mile below the surface, although some live in shallow, tropical environments. Their most distinctive feature, worn only by females, is a piece of dorsal spine that protrudes above their mouths like a fishing pole. Its a piece of luminous flesh to help them see in the darkness.
Giant squid live up to their name: the largest giant squid ever recorded by scientists was almost 43 feet (13 meters) long, and may have weighed nearly a ton. You’d think such a huge animal would be hard to miss. But because the ocean is vast and giant squid live deep underwater, they remain elusive and are rarely seen: most of what we know comes from dead carcasses that floated to the surface and were found by fishermen.
Tripod fish use their enormously elongated fin rays to stand on the ocean floor. Deep-sea fish, they have tiny eyes and probably sense their prey from vibrations. They are true hermaphrodites - having both male and female sexual organs.
-The abyssal zone is 300,000,000 km2 or 83% of the ocean.
There is not much life in the Abyssal Zone, but there is plenty that have to survive on their own, and adapt to their environment.
-Marianas Trench (an Abyssal zone) is deeper than Everest is high.
-There are no plants found in the abyssal zone. This is because there is no sunlight to support photosynthesis.
-Another animal that lives in the abyssal zone is the rare Goblin Shark.
Background photo by t.shigesa