18 Questions
What type of microorganisms help decompose dead organisms in an ecosystem?
Saprophytic microbes
Which form of energy is stored and capable of performing work at rest?
Potential energy
What is the source of energy required by all living organisms?
Chemical energy from photosynthesis
According to the first law of Thermodynamics, what happens to energy in the universe?
Energy stays constant
What percentage of the energy released by the Sun onto the planet Earth is used to heat and evaporate water?
35%
In an ecosystem, what kind of flow does the energy exhibit?
Unidirectional flow
What role do plants play in the nitrogen cycle?
Act as a crucial part in the nitrogen cycle
Which organisms are responsible for breaking down urea into nitrogen gas in the soil?
Decomposers like bacteria and fungi
What is the main source of energy in the ecosystem for the synthesis of organic components?
Solar energy
What process uses solar energy to convert CO2 and H2O into carbohydrates?
Photosynthesis
What do herbivores primarily consume as a source of energy?
Carbohydrates
In the trophic structure, what is the role of carnivores?
Feed on herbivores
What percentage of total light energy striking a leaf is used in photosynthesis?
0.5%
Which trophic level do primary carnivores represent in an ecosystem?
Third trophic level
What is the primary function of green plants in an ecosystem?
To trap solar energy and convert it into chemical energy
What is the term for the succession of organisms through repeated process of eating and being eaten?
Food chain
Which action does not support the Green plants in an ecosystem?
Reflecting light energy
What percentage of light energy striking a plant is absorbed initially?
80-85%
Test your knowledge on how energy flows in an ecosystem, from the input of sunlight to its transfer through plants and animals, and its release back into the atmosphere. Explore the role of saprophytic microbes in decomposition and heat dissipation.
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