OCEAN WATER

the ratio of the mass of a substance to the volume of the substance

• salinity
• profit
• density
• weight

free-floating microscopic plants and animals

• plankton
• kelp
• crustaceans
• boats

a measure of the amount of dissolved solids in a given amount of liquid

• DDT
• plankton
• salinity
• icee

Plankton can be called “the foundation of life in the ocean” because they

• are marine organisms that need sunlight
• live in the upper 100 m of water
• form the base of complex food webs in the ocean
• are one of three main food sources in the ocean

This type of ocean water dissolves gases most easily

• cold
• warm
• shallow
• salty

In the benthic zone of the ocean, you would most likely find   

• dolphins
• whales
• swordfish
• starfish

Which of the following items is NOT a means of obtaining fresh water from the ocean?

• aquaculture
• desalination
• freezing
• reverse osmosis desalination

Which of the following sea life is an example of benthos?

• plankton
• dolphins
• squid
• crabs

Cold water is _______ dense than warm water

• More
• Less
• equally

Which factor does not affect the salinity of ocean water?

• precipitation
• dissolved gasses
• temperature
• evaporation