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प्रश्न
Take a square paper. Fold its diagonals. Draw three lines in three triangles as shown in the picture.

Cut from the edge of the diagonal to the center as shown in the picture.
If you fold this triangle and paste it behind the third triangle you get a pyramidal shape.
In one of the triangles, draw images of each of the organisms in the different levels.
In another triangle write the names of the organisms. In the last triangle, write the energy level of the organism. Have a look at the following example. You must come up with different organisms!.
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उत्तर

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संबंधित प्रश्न
"Burning fossil fuels is a cause of global warming." Justify this statement.
In the course of your observations, did you notice any signs of the presence of living things, though the living things themselves were not seen? For example, did you notice any partly eaten fruits or shells, fallen feathers, animal tracks, dung, droppings, nests, cocoons, eggs, honeycombs, etc.?
Which one of the places you visited shows greater biodiversity?
Classify the following as natural or man-made.
dolphin
Classify the following as natural or man-made.
cottonwool
Classify the following as natural or man-made.
chair
Classify the following as natural or man-made.
table.
These are abiotic factors.
- Sunlight
- Bacteria
- Air
- Plants
What are the by-products of fertiliser industries? How do they affect the environment?
The abiotic factors are the non-living parts such as sunlight, air, water, and minerals in the soil.
