Question

draw the pyramid of number by using organism given below
Hawk, grass, aphids, ladybird, insectivorous Birds ​

Answer 1

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Answer 2

Pyramid of numbers:

• Pyramid of numbers is representation of food chains graphically.
• The number of organisms at each trophic level increases from top to bottom in this pyramid but the size of the organism decreases at each level.
• In the given food chain, aphids feed on grass which are very tiny but are  numerous. In turn, ladybirds feed on aphids which are less in number comparatively.
• Moving further in the food chain, we see lady birds are fed upon by insectivorous birds which are small in number but bigger in size.
• Finally, insectivorous birds become prey to Hawks which are very few but are much larger in size.