The ocean floor _____.
has mountains, plains, and ridges like land surfaces
is covered by the same amount of water everywhere
covers less area than land
is a flat bed of sand
Only specially adapted organisms can survive at the bottom of the ocean because___.
the sunlight is very bright at the bottom of the ocean
the salinity is very low at the bottom of the ocean
the water is very warm at the bottom of the ocean
the pressure is very high at the bottom of the ocean
The measurement of salt in the water in a sample is called _____.
nutrient
millimeter
salinity
plankton
A child builds a sandcastle and the next morning it is gone. What caused it to disappear?
the changing of the tides
the moving currents in the water
the salinity of the water
the changing of water pressure
Based on this marine food web, which 3 organisms eat squid?
leopard seal, elephant seal, and killer whale
leopard seal, penguin, and elephant seal
zooplankton, cod, and leopard seal
krill, penguins, and leopard seals
Using the ocean floor diagram, what part of the ocean floor is F?
continental slope
continental shelf
seamount
abyssal plain
Using the ocean floor diagram, what part of the ocean floor is C?
island
abyssal plain
mid ocean ridge
continental shelf
Using the ocean floor diagram, what part of the ocean floor is A?
continental shelf
abyssal plain
continental slope
trench
