Photosynthesizing organisms must live in the ____________ zone.
photic
____________ is the sum of the mass of the living organisms in an area
biomass
Salt in the oceans comes from
river inflow
The deepest point in the ocean is a(n)
hadal zone
Most energy and nutrients in the oceans are supplied by tiny creatures called ____________.
Phytoplankton
Water density decreases as
salinity increases, temperature decreases, pressure decreases
The ocean zone that is always covered by water, but is fairly shallow in depth is the
neritic zone
Water easily dissolves salts because it is a(n) ____________ molecule.
polar
If you add salt to water, the density of the water ____________.
increases
Waves, tides and currents move water around in the ____________ zone.
intertidal
The reason the Dead Sea has a high salinity
evaporation is very high.