Give one example each of (i) a natural ecosystem and (ii) an artificial (man-made) ecosystem.
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Solution and Explanation
Artificial Ecosystem: Crop field, Aquarium, Garden
Top Questions on Ecosystems
- Write a four-step aquatic food chain. Among them, which group of organisms is most important and why?
- How many billion tons productivity of oceans?
- Assertion (A): Gross primary productivity is always less than net primary productivity.
Reason (R): Rate of synthesis of organic matter by consumers is known as secondary productivity. Consider the following statements:
Every step in a food chain is called a trophic level.
Decomposers convert complex organic matter into simple substances that mix with the soil.
In a food chain, energy increases from lower to higher trophic level.
Interlinking of multiple food chains forms a food web.
Which of the above statements are correct?Given below are two statements:
Statement I: The primary source of energy in an ecosystem is solar energy.
Statement II: The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP).
In light of the above statements, choose the most appropriate answer from the options given below:- NEET (UG) - 2025
- Biology
- Ecosystems
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