What does the term 'nekton' refer to in marine biology?

Marine Flashcard

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Nekton refers to aquatic animals that are capable of swimming freely and actively in the water column, such as fish and squid.
2.
FLASHCARD QUESTION
Front
What type of ocean currents are associated with upwellings?
Back
Upwellings are most closely associated with deep water currents, which bring nutrient-rich water from the ocean depths to the surface.
3.
FLASHCARD QUESTION
Front
Where are benthos organisms typically found?
Back
Benthos organisms are typically found at the bottom of bodies of water, including oceans, lakes, and rivers.
4.
FLASHCARD QUESTION
Front
What is the primary role of producers in a marine food chain?
Back
Producers, such as phytoplankton, produce energy from sunlight through photosynthesis, forming the base of the food chain.
5.
FLASHCARD QUESTION
Front
Which mineral is commonly used in batteries?
Back
Nickel is a mineral that is often used in batteries, particularly in rechargeable nickel-cadmium and nickel-metal hydride batteries.
6.
FLASHCARD QUESTION
Front
What is the difference between plankton and nekton?
Back
Plankton are organisms that drift in the water and cannot swim against currents, while nekton are active swimmers that can move independently of water currents.
7.
FLASHCARD QUESTION
Front
What is the significance of upwellings in marine ecosystems?
Back
Upwellings are significant because they bring nutrient-rich waters to the surface, supporting high productivity and diverse marine life.
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