14 Questions
What is the main consequence of adding excess nitrogen to ecosystems?
Promotes the growth of algae
How do humans primarily disrupt the nitrogen cycle?
By fertilizing crops
What is the main element cycled in the nitrogen cycle?
Nitrogen
Which of the following is NOT a step in the carbon cycle?
Fixation
What is the term used to describe the process of excessive nitrogen leading to algae blooms and imbalance in ecosystems?
Eutrophication
Which of these human activities contributes to the disruption of both the carbon and nitrogen cycles?
Combusting fossil fuels
What can excessive nitrogen do in an aquatic ecosystem?
Lead to algae blooms
What term describes the addition of excess nitrogen to ecosystems through fertilization?
Eutrophication
What can happen when there is excessive nitrogen in an ecosystem?
Eutrophication
How do humans contribute to disrupting the nitrogen cycle?
Adding excess nitrogen through crop fertilization
Which nutrient is often a limiting factor for growth in ecosystems?
Nitrogen
What is a potential outcome of eutrophication in aquatic ecosystems?
Algae blooms
How does excess nitrogen in an ecosystem affect the balance?
Disrupts balance
What term best describes the effect of excessive nitrogen on an ecosystem?
Eutrophication
Test your knowledge on how matter circulates between Earth, the atmosphere, and living things. Learn about the importance of natural cycles of matter for life and the environment, and how they make essential elements available for biosynthesis.
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