Ocean Zones and Phytoplankton

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What are the main ocean zones?
Back
The main ocean zones are the intertidal zone, neritic zone, oceanic zone, benthic zone, and abyssal zone.
2.
FLASHCARD QUESTION
Front
What is phytoplankton?
Back
Phytoplankton are microscopic plants that live in the ocean and perform photosynthesis, forming the base of the marine food web.
3.
FLASHCARD QUESTION
Front
How do hydrothermal vents contribute to ocean ecosystems?
Back
Hydrothermal vents provide energy through chemical reactions, supporting unique ecosystems that do not rely on sunlight.
4.
FLASHCARD QUESTION
Front
What is chemosynthesis?
Back
Chemosynthesis is the process by which certain organisms convert carbon molecules (usually CO2) and nutrients into organic matter using the oxidation of inorganic molecules as a source of energy.
5.
FLASHCARD QUESTION
Front
What is ocean acidification?
Back
Ocean acidification is the decrease in pH levels of the ocean caused by the absorption of excess carbon dioxide from the atmosphere.
6.
FLASHCARD QUESTION
Front
What is the role of zooplankton in the ocean?
Back
Zooplankton are small animals that drift in the ocean and are a crucial part of the marine food web, feeding on phytoplankton and serving as food for larger animals.
7.
FLASHCARD QUESTION
Front
What is the intertidal zone?
Back
The intertidal zone is the area of the shoreline that is exposed to air at low tide and submerged at high tide.
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