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प्रश्न
Temperature, light and wind are ________ factors.
उत्तर
Temperature, light, and wind are Physical factors.
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संबंधित प्रश्न
"In a food-chain, a trophic level represents a functional level, not a species." Explain.
Explain why a progressive decline is seen in the population size from the first to the fourth trophic level in the above pyramid.
Answer the following question:
What do detritus food chains begin with?
Give the scientific term for the following:
Type of water absorption by roots where metabolic energy is required.
After landslide which of the following type of succession occurs?
Consider the amount of organic matter at the different trophic levels in an ecosystem given below:
| Trophic Level | Amount of organic matter (in Kg) |
| Tertiary consumers | 250 |
| Primary consumers | 150 |
| Primary producers | 100 |
| Secondary Consumers | 200 |
On the basis of the data provided above, construct an ecological pyramid. Comment upon its nature giving at least one example of the type of organism occupying each of the above mentioned trophic levels.
Which of the statement is incorrect?
A wolf has just eaten a lamb. When tiger saw the wolf, it attacked on the wolf. The tiger in ecological terms is
Read the following statements and select the correct ones:
- A given species may occupy more than one trophic level in the same ecosystem at the same time
- Productivity of an aquatic ecosystem is less than that of a terrestrial ecosystem
- Producers constitute of the first trophic level of a detritus food chain
What will happen to an ecosystem if all producers are removed?
