Ocean life Lucinda Speak.

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Presentation transcript:

Ocean life Lucinda Speak

Ocean life exists in levels Surface ocean (reefs and shallows) Thermocline (water that gets colder as you go deeper) Deep ocean (dark zone)

Surface ocean and shallows Coral reefs exist in warm,shallows off the coast of larger land masses Most aquatic mammals and seaturtles prefer to stay in this region of the ocean where they have easy access to air

Surface Ocean and shallows This water is always the warmest, as cold water is denser and sinks to the bottom This is where most species of “bony fish” are found. Small prey is abundant and the pressure is not too much for them at this depth

Thermocline Light gradually becomes less and less Cartilaginous fish are made to handle pressure changes and often prefer to stay in the darker depths to hunt.

Thermocline The water is also colder, as warm water rises and cold water sinks Bony Fish that inhabit this area are rare and often look like something from a horror novel because of the increased pressure

Deep ocean This is well into the midnight zone, meaning that no light penetrates this far down Very few fish bodies are suited for the thousands of pounds of pressure that are put on anything that far under the water

Deep ocean Msyteries still abound and while much small ocean life can be found around thermal vents on the ocean floor, giant pseudopods and crustaceans have been glimpsed in the murky depths.

But there is one thing scarier than even a giant squid. . . It kills without mercy, all species It is literally everywhere, there is no escape You’ve seen it, even here on the land Although it is most commonly found in the ocean in giant masses! Its. . .

pollution