Question
What is a ‘food web’? Show its formation.
✓
Answer
The interconnected food chains operating in an ecosystem which establish a network of relationships between various species is called a food web. 
In this food web, we can see a network of numerous pathways along which the food flows within grass land community. This food web starts from the plants which is producer and end in top carnivore hawk.
In this food web, we can see a network of numerous pathways along which the food flows within grass land community. This food web starts from the plants which is producer and end in top carnivore hawk.Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What change is made in the eye to enable it to focus on objects situated at different distances? Illustrate your answer with the help of diagrams.
What is meant by an alloy? Give two examples with chemical composition.
Explain why, diamond is hard while graphite is soft (though both are made of carbon atoms).
Complete the following chart.
An object is placed at a distance of 4cm from a concave lens of focal length 12cm. Find the position and nature of the image.
From the following set of the elements and their atomic masses obtain Dobereiner’s triad:
| Element | Br | K | I | Cl |
| Atomic mass | 35.5 | 79.9 | 126.9 | 35.5 |
In which of the following cases more electrical energy is consumed per hour?
→- A current of $1$ ampere passed through a resistance of $300$ ohms.
- A current of $2$ amperes passed through a resistance of $100$ ohms.
An object of $5.0\ cm$ size is placed at a distance of $20.0\ cm$ from a converging mirror of focal length $15.0\ cm$. At what distance from the mirror should a screen be placed to get the sharp image? Also calculate the size of the image.
→Observe the figure 1.3 of transcription given on page 9 in this chapter and answer the following questions:
(1) What is the sequence of nucleotides present on one strand of the DNA?
(2) According to the above sequence on DNA, what will be the transcribed sequence on the mRNA molecule?
(3) Which enzyme is taking part in the above process of transcription?
(1) What is the sequence of nucleotides present on one strand of the DNA?
(2) According to the above sequence on DNA, what will be the transcribed sequence on the mRNA molecule?
(3) Which enzyme is taking part in the above process of transcription?
At what distance should an object be placed from a convex lens of focal length 18cm to obtain an image at 24cm from it on the other side? What will be the magnification produced in this case?