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- 1. Multiple Choice
MOST sealife lives in the:
Photic zone
Twilight zone
Midnight zone
Deep zone
- 2. Multiple Choice
The zone in the oceans layers with the warmest temperatures that is warmed by sunlight and most life exist there?
Photic Zone
Depth
Water temperature
Mid- Ocean Ridge
- 3. Multiple Choice
permanently dark layer of the oceans below the photic zone
aphotic zone
photic zone
surface zone
intertidal zone
- 4. Multiple Choice
the entire bottom portion of the ocean
pelagic zone
bathyal zone
neustonic zone
benthic zone
- 5. Multiple Choice
Microscopic -plants in the photic zone-
benthos
phytoplankton
zooplankton
epifauna
- 6. Multiple Choice
As you go deeper in a ocean the - ______________ decreases and _________________ increases.
temperature , pressure
pressure, temperature
- 7. Multiple Choice
Photosynthetic algae are MOST likely to be found in-
the abyssal zone
the photic zone
the aphotic zone
ocean trenches
- 8. Multiple Choice
The chemistry of aquatic ecosystems is determined by the-
Amount of salts, nutrients, and oxygen dissolved in the water.
Number of organisms present in the water.
Amount of rainfall the water receives.
Biotic and abiotic factors in the water.
- 9. Multiple Choice
Which trophic level is most likely missing from an ocean floor food web at a depth of 800 meters?
carnivores
decomposers
producers
scavengers
- 10. Multiple Choice
In the deep parts of the ocean where there is no light it is believed that energy is provided through -
Photosynthesis
Chemosynthesis
Deepsynthesis
Abyssisynthesis
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