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Oceans
Test Description: Ocean zones, lifestyles, estuaries
Instructions: Answer all questions to get your test result.
1) _ is a measure of the dissolved salts in water.
A
salinity
B
pH
C
polarity
D
temperature
2) ___occurs when warm surface water is blown away by winds to be replaced by cold nutrient rich water from below.
A
Estuaries
B
Chemosythesis
C
Adhesion
D
Upwelling
3) The ocean zone near shore that is affected by high and low tides.
A
neritic
B
benthic
C
intertidal
D
pelagic
4) The ocean zone that extends to the end of the continetal shelf where sunlight penetrates to the bottom.
A
intertidal
B
pelagic
C
benthic
D
neritic
5) The open ocean that is divided into layers based on how much light reaches each layer.
A
intertidal zone
B
benthic zone
C
neritic zone
D
pelagic zone
6) The ocean floor.
A
benthic zone
B
pelagic zone
C
intertidal zone
D
neritic zone
7) Why does warm ocean water stay at the surface?
A
cold water and warm water do not have density
B
warm water is more dense than cold water
C
warm water is the same density as cold water
D
cold water is more dense than warm water
8) All of the following are reasons upwelling is important except ___.
A
phytoplankton are able to photosynthisize
B
pushes away predaters
C
brings nutrients to the surface to support food webs
D
provides for good fishing
9) Deep ocean ecosystem that spews hot fluids into the ocean and supports a wide variety of organisms.
A
trenches
B
coral reefs
C
hydrothermal vents
D
mangroves
10) The process used by producers that use of chemicals to make sugar is called ____.
A
chemosynthesis
B
hydrosynthesis
C
photosynthesis
D
thermosynthesis
11) Organsims that drift with the currents and are usually found near the surface.
A
pelagic
B
benthos
C
plankton
D
nekton
12) Oranganism that swim freely in the ocean.
A
nekton
B
pelagic
C
plankton
D
bentos
13) Organisms that live attached or on the ocean floor.
A
pelatic
B
netkon
C
planton
D
benthos
14) A ___ is a place where freash water from rivers meets salt water from the ocean.
A
intertidal zone
B
lake
C
estuary
D
coral reef
15) Estuaries have brackish water. What does brackish mean?
A
a mix of salt and fresh water
B
salty water
C
fresh water
D
dirty water
*select an answer for all questions
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