Question Detail
Question
Carbon in form of carbonate in the soil is returned to the biotic component of the ecosystem occurs through: a. Egestion b. Assimilation c. Absorption d. Combustion
Correct Answer
Option C is the correct answer.
Detailed Explanation
Carbonates in the soil can be dissolved in water and taken up (absorbed) by plant roots. Plants then use this carbon to build organic molecules, thus returning it to the biotic component.
Hint
Plants take in nutrients from the soil through this process.