OPEN OCEAN

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• Marine ecosystem—biggest ecosystem on earth
• Vast variety of ocean life that swims 1000m under surface of the water
• Best known to humans where we can easily scuba dive
• If we lived in the marine ecosystem, it would be wet and the water would be warm
• Water would be clear and there would be many marine animals (turtles,fish)

BIOTIC FACTORS

• Things that are living
• Dolphins, sponges, fish, starfish,
• seaweed, shrimp, sharks, etc.

ABIOTIC FACTORS

• Things that are nonliving
• Water, sand, oxygen, waves, rocks

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• The marine ecosystem can be found all around the world
• Covers 71% of the earth

PLANTS

• Marine ecosystem is home to seaweed, marine algae,
• and sea grasses

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• Open ocean is the surface of the water
• Some marine animals come to the surface to breathe
• On the surface, animals can become harmed by pollution and also
• by predators
• Humans pollute the marine ecosystem by throwing waste on beaches, oil spills

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• Pollution can harm the animals and cause them to be endangered
• Marine animals can become extinct because of these dangers

FUN FACTS

• Mostly effected by storms
• Many unknown species
• All known soecies are mostly found in the open ocean
• 50-80% of all life on earth is found under the oceans surface
• The speed of sound in water is 1435m/sec, which is nearly 5x faster than it is in air