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