What was the purpose of the Twilight Zone?
As a boy, Rod Serling was a fan of pulp fiction stories. As an adult, he sought topics with themes such as racism, government, war, society, and human nature in general. Serling decided to combine these two interests as a way to broach these subjects on television at a time when such issues were not commonly addressed.
What happens to light in the Twilight Zone?
The area between 200 and 1,000 meters (656 and 3,280 feet) is the mesopelagic or “twilight” zone. Light intensity in this zone is severely reduced with increasing depth, so light penetration is minimal. About 20 percent of primary production from the surface falls down to the mesopelagic zone.
Do whale sharks live in the Twilight Zone?
Literally trillions of lanternfishes, probably the most abundant vertebrate on the planet, live in this twilight zone. They’d make an excellent snack for a hungry whale shark. Whale sharks prefer surface water temperatures over 21ºC (as do I). Whale shark swims through the shallows.
How deep can Sharks go?
A great white shark known to frequent New Zealand waters has given new meaning to the term “Down Under.” Scientists revealed that the 15-foot shark they’ve named “Shack” probed to 1,200 meters, or 3,937 feet, as it traveled across open ocean.
What fish live in the Twilight Zone?
The twilight zone is also known as the disphotic zone. Animals that live in the twilight zone include: lantern fish, rattalk fish, hatchet fish, viperfish, and mid-water jellyfish. This murky part of the ocean begins at about 600 feet under the water and extends to the darkest part, which begins about 3000 feet down.
How many animals live in the Twilight Zone?
— because the twilight zone is so difficult to study. Oh, and up to one million undiscovered species may potentially live here. Unfortunately, even as the significance of the twilight zone is being appreciated, it’s under threat from commercial fishing.
What is the largest creature in the ocean?
blue whale
Which ocean zone is the largest?
Epipelagic Zone
What is the entrance to a cave called?
Sink, resurgence, shaft, pothole, sinkhole, or doline are all words used to describe a specific type of entrance into a cave. An Adit is usually only associated with old abandoned mines.
Why animals live in caves?
Why do animals choose these places as their homes? Basically, it’s because of the stable environmental conditions they offer in regards to humidity and temperature. Also, caves protect them from predators, allowing them to sleep and to rest without problems.
What is a decomposer in the caves?
Leaves and other plant litter blows in from plants outside the cave and support de- composers. Many of these decomposers are also found outside of caves, such as small millipedes, terrestrial isopods (also known as pill bugs or roly-polies), terres- trial snails, earthworms, cave crickets, and other insects.
Is a cave abiotic or biotic?
The above represent the biotic elements in a cave ecosystem. The abiotic elements are the non-living, the conditions of the cave itself….
| Mammals | Birds |
|---|---|
| cave salamander | worm |
| dark-sided salamander | cave cricket |
| redback salamander | spider |
| long-tailed salamander | snail |
Is producers abiotic or biotic?
Biotic Factors Producers: Producers or autotrophs convert abiotic factors into food. The most common pathway is photosynthesis, through which carbon dioxide, water, and energy from sunlight are used to produce glucose and oxygen. Plants are examples of producers.
Is Salt biotic or abiotic?
Answer: Biotic: fish, plants, algae, bacteria. Abiotic: salt, water, rocks, sediment, trash.