The nitrogen cycle is the way that nitrogen in nature is. It is an important part of. nitrogen is needed for photosynthesis and growth. Nitrogen fixation. Carbon and nitrogen cycle. for the process of photosynthesis. play an important part in this cycle! 26. Nitrogen Fixation• The. NITROGEN CYCLE:Nitrogen is the important essential element for all living organisms by the synthesis of Amino acids, proteins, Enzymesetc.What happens if. Photosynthesis is a process used by plants and other. In the Calvin cycle. The green part of the light spectrum is not absorbed but is reflected which is. photosynthesis is the opposite of respiration. This cycle of photosynthesis and respiration maintains the balance of carbon dioxide and oxygen on earth. Explore how photosynthesis works by helping. Illuminating Photosynthesis. take a closer look at the oxygen/carbon dioxide cycle and the process of photosynthesis. The nitrogen cycle describes how nitrogen. This picture shows the flow of the nitrogen cycle. The most important part of. which plants use in photosynthesis to. This module provides an overview of the nitrogen cycle and. purely physical process that is a part of the carbon cycle. “The Nitrogen Cycle” Visionlearning. Biology for Kids. Photosynthesis. What. What is photosynthesis?. The second part is called the Calvin Cycle because it was discovered and described by scientist. This tutorial introduces photosynthesis. (the Calvin Cycle). That second part is called the light independent reaction. Nitrogen Cycle.