Define the following terms
) Cilia:

Plural form of Cilium

Explanation:

Define of Cilium: a short, microscopic, hairlike vibrating structure. Cilia occur in large numbers on the surface of certain cells, either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion.

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-Grace

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.