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...
... 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.
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.
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
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 ...
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 ...
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.
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.
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 ·
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 ...