What are aquatic ecosystems?
Aquatic Ecosystems Exam

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Science
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Aquatic ecosystems are ecosystems located in water environments, including freshwater (like rivers and lakes) and marine (like oceans and seas) ecosystems.
2.
FLASHCARD QUESTION
Front
What is the significance of headwaters in a river?
Back
Headwaters are the source of a river, typically found in mountainous areas, and are crucial for the river's flow and ecosystem.
3.
FLASHCARD QUESTION
Front
What are emergent plants?
Back
Emergent plants are those that grow above the water surface in aquatic environments, often found in shallow areas of ponds and lakes.
4.
FLASHCARD QUESTION
Front
What is 'marine snow'?
Back
Marine snow refers to the continuous shower of organic material falling from the upper layers of the water column to the deep sea, serving as food for deep-sea organisms.
5.
FLASHCARD QUESTION
Front
What is the abyssal plain?
Back
The abyssal plain is a flat, deep-sea floor area that is characterized by a lack of light and photosynthesis, relying on organic matter from above.
6.
FLASHCARD QUESTION
Front
Define benthos.
Back
Benthos are organisms that live on or in the bottom sediments of aquatic environments, such as clams and worms.
7.
FLASHCARD QUESTION
Front
What are nekton?
Back
Nekton are aquatic animals that can swim freely and are capable of moving against currents, such as fish and whales.
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