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Sea - Wikipedia


A sea is a large body of salt water that is surrounded in whole or in part by land. More broadly ... Salinity in the open ocean is generally in a narrow band around 3.5% by ... with life, which prov...

Ocean Ecosystems facts, information, pictures | Encyclopedia.com ...


... by phytoplankton is directly or indirectly the primary food source for all marine life. ... The active swimmers that inhabit the open ocean are called nekton.

Ocean Facts - Save the Sea

savethesea.org/STS ocean_facts.htm

Water pressure at the deepest point in the ocean is more than 8 tons per ... More than 3.5 billion people depend on the ocean for their primary source of food.

Biodiversity « World Ocean Review


But at the same time, only a small fraction of the species in the deep sea and ... nutrients (primary productivity), which represents the basic food source for all ... and juvenile fish that grow up here before swimming into the open ocean as adults.

Coral Reef Food Web: Feeding the Reef Community


The coral reef food web: key feeding relationships, energy sources, and ... from primary producers within the ecosystem as well as from the open sea - that ...

Wilderness Survival: Sea Survival - The Open Sea


In the open sea, fish will be the main food source. There are some poisonous and dangerous ocean fish, but, in general, when out of sight of land, fish are safe to ...

OTTERS - Diet Eating Habits - Sea World


A sea otter's diet consists mainly of slow-moving fishes and marine ... otters have been observed using rocks and other hard objects to break open mussel shells.

Properties of the sea: food webs and food chains - LEARNZ


Plants and animals that live in the open ocean are called pelagic. Pelagic ... Tiny shrimp krill are an important food source for many marine mammals and fish.

What do ocean fish eat? | Reference.com


There is no general rule on what the different ocean fish tend to eat, since they have different ... It swims with its enormous mouth open and filters the food with its gills. ... It is famous for even attacking humans, though humans are not its primary prey. ... Learn more about Fish. Sources: animaldiversity.org · animaldivers...

Krill Facts ~ Krill FAQ & Pictures - Ocean Facts, News & FAQ


They are the primary food source for many types of fish, baleen whales and birds. Here are some ... a small marine crustacean of the open seas. It is eaten by a ...

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Open Ocean - Predators and Prey


Sharks earn their spot at the top of the open ocean food chain. ... Small fish and invertebrates are a major food source for larger predators in the open ocean.

Oceans Alive! | Life in the Sea | Life Near the Surface


The sea is home to billions of plants and animals. Many live ... Oceanographers classify marine organisms by separating them into two primary groups: plants and animals. Ocean ... Sunlight is the source for all food consumed in the ocean ...

FAO Fisheries & Aquaculture - Primary Producers - Food and ...


Primary production in most of the open ocean is quite low, limited by supplies of the ... In the LAPE area the main sources of nutrients are from the flows from the ...