1. The producers (autotrophs), consumers (heterotrophs), saprotrophs and decomposers constitute the living community of the forests.

    The producers (autotrophs), consumers (heterotrophs), saprotrophs and decomposers constitute the living community of the forests.

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  2. The plants having life span of two years are called biennials.

    The plants having life span of two years are called biennials.

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  3. The plants having life span of one year are called annuals.

    The plants having life span of one year are called annuals.

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  4. A broader bundle of light rays is called a beam of light.

    A broader bundle of light rays is called a beam of light.

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