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Questions and Answers
What percentage of the energy having Photosynthetically Active Radiation is typically used by plants for the process of photosynthesis?
What percentage of the energy having Photosynthetically Active Radiation is typically used by plants for the process of photosynthesis?
- 50-60 percent
- 10-20 percent
- 2-10 percent (correct)
- 30-40 percent
In what form is the energy stored in various organic products in plants during photosynthesis?
In what form is the energy stored in various organic products in plants during photosynthesis?
- Kinetic energy
- Mechanical energy
- Heat energy
- Chemical energy (correct)
What happens to the energy when it is converted into heat during the process of energy flow in the ecosystem?
What happens to the energy when it is converted into heat during the process of energy flow in the ecosystem?
- Energy is converted back to light energy
- Energy is stored in the ecosystem
- Energy is absorbed by plants
- Energy is lost from the ecosystem (correct)
Which consumers receive energy directly from the primary producers in a food chain?
Which consumers receive energy directly from the primary producers in a food chain?
What law states that only about 10 percent of the energy is transferred to each trophic level in a food chain?
What law states that only about 10 percent of the energy is transferred to each trophic level in a food chain?
Which organelle in plants is responsible for absorbing sunlight for the process of photosynthesis?
Which organelle in plants is responsible for absorbing sunlight for the process of photosynthesis?
What is the main source of energy required by all living organisms in an ecosystem?
What is the main source of energy required by all living organisms in an ecosystem?
Which law of thermodynamics states that energy can neither be created nor destroyed, only changed from one form to another?
Which law of thermodynamics states that energy can neither be created nor destroyed, only changed from one form to another?
What is the term used to describe the radiation from the sun that can be used by plants for photosynthesis?
What is the term used to describe the radiation from the sun that can be used by plants for photosynthesis?
What happens to most of the sun's radiation that falls on Earth?
What happens to most of the sun's radiation that falls on Earth?
What term is used to describe each level within a food chain?
What term is used to describe each level within a food chain?
Which law of thermodynamics states that as energy is transferred, more and more of it is wasted?
Which law of thermodynamics states that as energy is transferred, more and more of it is wasted?
What percentage of energy is typically transferred from one trophic level to the next?
What percentage of energy is typically transferred from one trophic level to the next?
Which trophic level represents the primary consumers in an ecosystem?
Which trophic level represents the primary consumers in an ecosystem?
What is the ultimate source of energy on Earth?
What is the ultimate source of energy on Earth?
What process do plants utilize to convert light energy into chemical energy?
What process do plants utilize to convert light energy into chemical energy?
What are the scavengers responsible for in the food chain?
What are the scavengers responsible for in the food chain?
What do reducers do after absorbing constituents from dead matter in the food chain?
What do reducers do after absorbing constituents from dead matter in the food chain?
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