Marine Ecosystems

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MARINE ECOSYSTEMS:

MARINE ECOSYSTEMS

Slide 2:

Factors that divide the ocean into distinct marine life zones : the availability of sunlight the distance from shore water depth.

Different Zones of Marine Ecosystem:

Different Zones of Marine Ecosystem

Intertidal Zone:

Intertidal Zone The area where land and sea meet and overlap (the zone between high and low tides)

Slide 6:

The upper part of the ocean into which sunlight penetrates. Photic Zone

Slide 7:

Benthic Zone Lowest level of a Ocean, including the sediment surface and some sub-surface layers.

Estuary:

Estuary A semi-enclosed costal body of water where fresh river water mixes with salty sea water.

Slide 9:

Estuary

Kelp Forests:

Kelp Forests Kelp forests are underwater areas with a high density of Kelp. They are recognized as one of the most productive and dynamic ecosystems on Earth

Marine Organisms:

Marine Organisms

Food Chain:

Food Chain Phytoplankton Unicellular algae Zooplankton Planktonic animals that feed on phytoplankton Nekton Animals that feed on Zooplankton

Phytoplankton (Plant Plankton):

Phytoplankton (Plant Plankton) The most important community of primary producers in the ocean. They are the foundation of oceanic food chain

Zooplankton (Animal Plankton) :

Zooplankton (Animal Plankton) Krill Jelly fish Passively drifting or weak swimming organisms that cannot move independently of ocean currents.

Nekton:

Nekton Organisms that can move independently of ocean currents by swimming or other means of propulsion.

Coral Reefs:

Coral Reefs

Star Fish:

Star Fish Animals that live on or near coral reefs

Slide 20:

Animals that live on or near coral reefs

Benthos :

Benthos The forms of marine life that live on the ocean floor.

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