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