18 Questions
What is the main reason most food chains have five or less links?
Because 90 percent of the food chain's energy is lost at each level
What is the main component of the sulfur cycle?
Sulfur is a non-metal obtained as a byproduct after the production of natural gas
What is the term for the comprehensive set of cyclical pathways by which a given nutrient moves through the environment?
Biogeochemical Cycle
What is the relationship between the trophic levels in a food chain according to the 'ten percent law'?
Only 10% of the energy entering one trophic level forms biomass in the next trophic level
What is the term for the network of food chains representing the feeding relationships among organisms in an ecosystem?
Food Webs
What is the term for the total amount of organic matter present in a trophic level?
Biomass
How do alterations in the carbon cycle impact the climate?
Result in rising global temperatures and shifts in precipitation
What is one of the consequences of human-induced alterations in the nitrogen cycle?
Nutrient runoff leading to water pollution
How do disruptions in the water cycle impact water availability?
Cause droughts or floods
How do alterations in geophysical cycles affect ecosystems?
Threaten biodiversity through habitat loss and fragmentation
What are some economic repercussions of changes in geophysical cycles?
Negative economic consequences
How do excess fertilizer use influence aquatic ecosystems?
Result in water pollution and eutrophication
What is the main importance of the water cycle?
Regulating weather patterns
In what way does the carbon cycle support life?
By facilitating the movement of carbon for plants and animals
How does the water cycle contribute to the availability of freshwater for humans?
By ensuring a continuous supply of freshwater
What role does the carbon cycle play in climate regulation?
Controlling the amount of carbon dioxide in the atmosphere
How does the water cycle contribute to the growth of crops and plants?
By facilitating the continuous movement of water on Earth's surface
Why is the carbon cycle considered the chemical backbone of life on Earth?
Because it provides energy-rich carbohydrates for living organisms
Explore the interplay between various subcycles and their influence on natural hazards such as landslides, earthquakes, volcanic activity, flooding, and more. Learn how human activities impact climate patterns and contribute to environmental changes.
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