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The Benthic Zone

Ap Bio informational presentation on a biome.

Marissa Gossage

on 12 October 2012

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Transcript of The Benthic Zone

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli By: Marissa Gossage & Sam Cary The Benthic Zone sediment surface
many organisms are permanently attached to the bottom.
sand bottoms
rocky outcrops
begins at the shore line Conditions

Some Benthic plants include deep sea algae and Giant kelp that can grow up to 100 feet. Plants
Read more: What Lives in the Benthic Zone? | eHow.com http://www.ehow.com/list_6151873_lives-benthic-zone_.html#ixzz28wttuTOD Animals Organisms have had to make major adaptations to survive in the condition of the Benthic Zone.
Organisms have had to adapt to:
Extremely high pressure
No sunlight Information about the Benthos Biome Fish adapt with having an air bladder as well as their coloring. The angler fish has a light to attract other fish.
Some fish glow colors that can not been seen by the other in the benthic biome making them "invisible " The Benthic zone is anywhere in the world that has a body of water. It is defined as the lowest level of a body of water .This can pertain to a river,pond,lake or sea. The Pyrobenthos (Plants of the Benthos)- Plants of the Benthos live in water that is shallow enough for them to have enough sunlight to survive They are Benthic Producers which means that they use the suns energy to produce plant tissue that can be eaten by Consumers. Sediment Surface
Sand bottoms
bay mud
begins at the shore line
temp. ranges around 4C
no sun Zoobenthos (Animals of the Benthos)- Benthic animals are very dense and have negative bouyancy allowing them to effortlessly lie on the bottom or bury themselves. Benthic invertebrates are by far the most numerous types of animals. They include sessile creatures, those that attach to the bottom and do not move such as corals, sea squirts and oysters. They also include more the mobile shellfish such as clams, as well as snails, crabs, sea stars, worms and sea cucumbers. There are fish, however, that also spend so much of their time on the bottom, that they are considered benthic fish. Catfish and flounder are among these benthic fish. Fish have air bladders so they know not to travel to high. Dragon Fish Angler Fish Air bladder 58Sec Nemo vid
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