The secondary productivity refers to the production at the heterotrophy level. Of the above, the correct statement/s is/are:

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Both 1 and 2. Organisms are capable of synthesizing organic molecules from inorganic precursors and of storing biochemical energy in the process. These are called autotrophs which mean self-feeding. Autotrophs also are referred to as primary producers. Organisms able to manufacture complex organic molecules from simple inorganic compounds (water, CO2, nutrients) include plants, some protists and some bacteria. Many organisms can only obtain their energy by feeding on other organisms. These are called heterotrophs. They include consumers of any organism in any form eg. plants, animals, microbes, even dead tissue. Heterotrophs are also called consumers.

The secondary productivity refers to the production at the heterotrophy level. Of the above, the correct statement/s is/are:

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