it includes the beach and the shallow water and ends where the lowest low tide ends.
What is the intertidal zone?
100
tiny algae and animals that float in the water and are carried by waves and currents.
What is plankton?
100
currents in the ocean that bring additional nutrients from the bottom to the surface.
What is upwelling?
100
the farming of fresh and salt water animals for food.
What is aquaculture?
200
a gently sloping shallow area of the ocean floor that extends outward to the edge of the continent.
What is the continental Shelf?
200
it extends from the lowest low tide line to the edge of the continental shelf.
What is the neritic zone?
200
animals that live and move on the ocean floor.
What is benthos?
200
shallow water over the continental shelf receives sunlight and a steady supply of nutrients from upwelling along the continental slope to the continental shelf.
What are the conditions for the neritic zone?
200
black lumps that are concentrated with metal and shells.
What are nodules?
300
the steep edge of the continent shelf that ends to the ocean floor.
What is the continental slope?
300
the area in the ocean beyond the continental shelf to the deepest part of the ocean.
What is the open-ocean zone?
300
animals that are free swimming and can move throughout the water column.
What is nekton?
300
a diverse habitat where coral animals grow on top of each other to eventually build up the reef in shallow warm water on continental shelves or around volcanic islands.
What are coral reefs?
300
Bonus!
Bonus!
400
a smooth nearly flat region of the ocean floor.
What is the abyssal plain?
400
a canyon on the ocean floor that is made by a subduction zone where an oceanic plate dives into the mantle under a continental plate.
What is a trench?
400
areas along coastal inlets or bays where fresh water from rivers mixes to make brackish water.
What are estuaries?
400
where a reef around a volcanic island is left behind after the volcanic island sinks into the ocean.
What is an atoll?
400
water, fuels, and minerals.
What are some non-living resources aquired from the ocean?
500
a continuous range of mountains that winds around the earth.
What is the mid-ocean ridge?
500
an area where plates under the ocean are diverging or pulling away from each other and magma sqeezes its way upward from the mantle and hardens along the mid-ocean ridge.
What is seafloor spreading?
500
when the tide goes out some water remains in depressions among the rocks or sand.
What are tide pools?
500
surface, transition, and deep zones.
What are the three zones of the open-ocean?
500
weather that washes excessive fresh water into a body of salt water killing many animals.