

Biomes and Marine Productivity Flashcard
Flashcard
•
Biology
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What are wetlands and their environmental benefits?
Back
Wetlands are ecosystems that filter pollutants, provide habitat for wildlife, and store carbon, thus improving local and global environments.
2.
FLASHCARD QUESTION
Front
What is the effect of adding fertilizer to aquatic ecosystems?
Back
The addition of fertilizer can lead to an increase in biological oxygen demand, which can harm aquatic life.
3.
FLASHCARD QUESTION
Front
What is the benthic zone?
Back
The benthic zone is the entire bottom portion of the ocean, where organisms live on or near the ocean floor.
4.
FLASHCARD QUESTION
Front
Which trophic level is most susceptible to biomagnification of persistent organic pollutants (POPs)?
Back
Tertiary consumers are most susceptible to biomagnification of POPs due to their position at the top of the food chain.
5.
FLASHCARD QUESTION
Front
What ocean zone makes up the greatest percentage of the open ocean?
Back
The aphotic zone makes up the greatest percentage of the open ocean, where light does not penetrate.
6.
FLASHCARD QUESTION
Front
Define biological oxygen demand (BOD).
Back
Biological oxygen demand (BOD) is a measure of the amount of oxygen that microorganisms will consume while decomposing organic matter in water.
7.
FLASHCARD QUESTION
Front
What is biomagnification?
Back
Biomagnification is the process by which the concentration of toxic substances increases in organisms at each successive level of the food chain.
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