What Criteria Are Used For Determining Ocean Zones

Which factor affects the temperature of ocean water?

The temperature of ocean water varies by location – both in terms of latitude and depth due to variations in solar radiation and the physical properties of water.

What are the physical features of the ocean called?

Features of the ocean include the continental shelf slope and rise. The ocean floor is called the abyssal plain. Below the ocean floor there are a few small deeper areas called ocean trenches. Features rising up from the ocean floor include seamounts volcanic islands and the mid-oceanic ridges and rises.

What abiotic factors characterize the pelagic zone?

This biome is composed of many abiotic factors and biotic factors. The abiotic factors include water light salinity a very wide range of temperature dissolved gases pressure tides waves currents and exposure to air.

What are the main physical characteristics of each intertidal zone?

The defining characteristic of the intertidal zone is that it is submerged with water during high tide and exposed to the air during low tide. The zone can take many forms from sandy beaches to rocky cliffs. It is common for the intertidal zone to change frequently since it is constantly battered by crashing waves.

In which of the ocean zones would you expect to find the ecosystem in the ocean?

It extends from the intertidal zone to the edge of the continental shelf where the oceanic zone begins. Of the open ocean zones most life is found in the epipelagic zone.

What zone would you expect to find a bioluminescent organism?

While relatively rare on land bioluminescence is very common in the ocean at least in the pelagic zone (the water column) where 80 percent of the animals that live between 200 and 1 000 meters (656 and 3 280 feet) depth are bioluminescent.

How has the fish pictured below adapted to conditions in the oceanic province?

How has the fish pictured below adapted to conditions in the oceanic province? It produces red light to help it see prey in an environment where the sun’s rays do not reach. Which of these diagrams represents an El Niño – Southern Oscillation (ENSO) event?

Are there 3 or 5 ocean zones?

The sunlight zone twilight zone and deep ocean are the three major zones of the ocean. The deep ocean is further divided into 3 layers which are the midnight zone the abyss and the trenches.

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What is the deepest zone in the ocean?

hadalpelagic zone

The deepest zone of the ocean the hadalpelagic zone extends from 19 700 feet (6 000 meters) to the very bottom at 36 070 feet (10 994 meters) in the Mariana Trench off the coast of Japan. The temperature is constant at just above freezing.

What is the pelagic oceanic zone?

The pelagic zone is the part of the open sea or ocean comprising the water column i.e. all of the sea other than that near the coast or the sea floor. In contrast the demersal zone comprises the water that is near to (and is significantly affected by) the coast or the sea floor.

What are ocean zones from shallowest to deepest?

From the shallowest to the deepest biologists divide the pelagic into the epipelagic (less than 200 meters where there can be photosynthesis) the mesopelagic (200 – 1 000 meters the “twilight” zone with faint sunlight but no photosynthesis) the bathypelagic (1 000 – 4 000 meters) the abyssopelagic (4 000 – 6 000 …

Which factors affect the movement of ocean currents?

Oceanic currents are driven by three main factors:

• The rise and fall of the tides. Tides create a current in the oceans which are strongest near the shore and in bays and estuaries along the coast. …
• Wind. Winds drive currents that are at or near the ocean’s surface. …
• Thermohaline circulation.

How are the different zones in the benthic and pelagic environments defined?

The first major distinction is between the pelagic and benthic zones. The pelagic zone refers to the water column where swimming and floating organisms live. The benthic zone refers to the bottom and organisms living on and in the bottom are known as the benthos.

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What ocean zone contains hydrothermal vents?

Hydrothermal vents in the deep ocean typically form along the mid-ocean ridges such as the East Pacific Rise and the Mid-Atlantic Ridge. These are locations where two tectonic plates are diverging and new crust is being formed.

What are the vertical zones of the ocean?

The ocean’s water column (a conceptual pillar of water measured from the ocean’s surface to the seafloor) is often divided into five zones—the epipelagic mesopelagic bathypelagic abyssopelagic and hadalpelagic zones.

How does the coastal ocean zone compare with the open ocean zone?

Even though the coast is just a small sliver of the ocean it is the more productive of the two marine biomes. This means the coasts hold more marine biodiversity which provides food for many animals including humans. The open ocean stretches from the edges of the coast between the continents for hundreds of miles.

What are the zones of the ocean quizlet?

Terms in this set (13)

• Benthic Zones. regions along the sea floor and the bottom region of a body of water that have a lower temp. …
• Intertidal Zone. most shallow zone first zone made up of shore and shallow water.
• Sublittoral Zone. …
• Bathyl Zone. …
• Abyssal Zone. …
• Hadal Zone. …
• Pelagic Zones. …
• Neritic Zone.

What factor determines the major type of organisms found in aquatic life zones?

The major types of organisms found in aquatic environments are determined by the salinity of the water. Salinity means the amounts of salts dissolved in a volume of water. That is why aquatic life zones are divided up between saltwater life zones and freshwater life zones.

What are the four main factors that affect aquatic ecosystems?

What are the four main factors that affect aquatic ecosystems? Water’s depth temperature amount of dissolved nutrients and flow. What does the depth of the water determine? What distinguishes the photic zone from the aphotic zone in an aquatic ecosystem?

What factors describe aquatic ecosystems?

For aquatic ecosystems these factors include light levels water flow rate temperature dissolved oxygen acidity (pH) salinity and depth. Light level is an important factor in aquatic ecosystems.

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