Q2 of 14 Page 22

Fill in the blanks with suitable words:

In a parasitic food chain, the pyramid of number will be __________.

In a parasitic food chain, the pyramid of the number will be inverted.

Explanation- Here one primary producer supports numerous secondary consumers which support tertiary consumers. The number of individuals at the successive levels keeps on increasing in the parasitic food chain.


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2

Fill in the blanks with suitable words:

A group of individuals belonging to the same species is _________.

 2

Fill in the blanks with suitable words:

Different kinds of ecosystems together constitute _________.

 3

Answer the following:

List the factors which have made life exist on earth.

 3

Answer the following:

Define the following-


a. Lithosphere


b. Population


c. Biotic community


d. Food web


e. Trophic level