10 Questions
What are the primary sources of energy for ecosystems?
The primary sources of energy for ecosystems are solar radiation, tides, and the Earth's own heat.
How much of the solar energy reaching the Earth is used in photosynthesis?
Only 1/50 of one percent of the solar energy reaching the Earth is used in photosynthesis.
What is tidal energy?
Tidal energy is the mechanical energy stored in the Earth-moon system through the intermediary of gravitational force.
What is the relationship between energy flow and ecosystems?
Ecosystems are dependent upon solar energy flow and finite pools of nutrients.
What is the ultimate fate of all energy content in organic matter?
All energy content in organic matter is eventually converted to heat.
Which of the following is NOT a primary source of energy for ecosystems?
Wind energy
What is the percentage of solar energy reaching the Earth that is used in photosynthesis?
1%
What is the ultimate fate of all energy content in organic matter?
Conversion into heat
Which of the following is NOT a potential source of wave energy?
Solar radiation
What are the two main sources of Earth's energy?
Solar radiation and Earth's own heat
Test your knowledge on energy and energy flow with this quiz. Explore topics such as Earth's energy, historical energy use, energy as a resource and commodity, energy conversion, consumption, environmental effects, and the future of energy. Don't miss out on understanding the primary source of energy for ecosystems and its importance in sustaining life on Earth.
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