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प्रश्न
Answer the following question:
What do detritus food chains begin with?
उत्तर
Scavengers
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संबंधित प्रश्न
Draw a simple diagram showing the energy flow in a food chain.
Energy enters in a food chain through
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.
In the aquatic food chain, a major amount of energy flows through ______.
Is the common edible mushroom an autotroph or a heterotroph?
Apart from plants and animals, microbes form a permanent biotic component in an ecosystem. While plants have been referred to as autotrophs and animals as heterotrophs, what are microbes referred to as? How do the microbes fulfil their energy requirements?
“The energy flow in the ecosystem follows the second law of thermodynamics.” Explain.
What will happen to an ecosystem if all producers are removed?
Complete the following chart regarding energy flow in an Ecosystem and re-write:
| ? | Herbivores |
| Primary Producer | ? |
| ? | Man, Lion |
| Secondary consumer | ? |
Complete the given chart:
| Trophic levels | Type of organisms | Status | Example |
| ______ | ______ | Secondary consumer | ______ |
| Second trophic level | Herbivore, Heterotrophs | _____ | ______ |
| ______ | ______ | ______ | Phytoplankton, grass, trees |
