Given below is the representation of a certain phenomenon in nature. with four organisms 1-4.

(a) Name the phenomenon represented.

(b) Name any one organism that could be shown at No. 5.

(c) Name the biological process which was the starting point of the whole chain.

(d) Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.

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Solution

a) The phenomenon represented above is the food chain. A food chain is a linear sequence of organisms through which nutrients and energy pass when one organism eats another.
b) The organism that could be shown at 5, is the hawk. Hawks eat snakes.
c) Photosynthesis is the biological process which was the starting point of the whole chain.
d) Oxygen is the element which all the organisms 2-4 and even 5 are getting from 1 for their survival.

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