Decomposers such as fungi break down the nutrients in dead plant and animal matter for use by a. producers b. primary consumers c. secondary consumers d. tertiary consumers

The correct answer is (A) Producer

The fungi converts the dead and decaying matter into useful substance called as humus, which is used by producers to make food. Producers use this organic matter present in soil to make food by the process of photosynthesis. Fungi breakdown the dead animals into organic matter that is used by the plants.

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue