Final answer:
Photosynthetic organisms contribute to climate regulation by absorbing carbon dioxide during photosynthesis, which reduces the greenhouse effect and helps in preventing global warming.
Step-by-step explanation:
Photosynthetic organisms, which include plants and algae, play a pivotal role in maintaining our planet's atmosphere by balancing the levels of gases present. During the process of photosynthesis, these organisms absorb carbon dioxide and release oxygen into the atmosphere. The absorption of carbon dioxide not only contributes to the formation of carbohydrates, which are necessary for the growth and nourishment of the organisms, but it also significantly reduces the greenhouse effect and, consequently, global warming.
The benefit provided by photosynthetic organisms extends beyond releasing oxygen essential for aerobic life; it also includes maintaining the ozone layer. This layer is crucial for protecting Earth from harmful UV radiation. Thus, by absorbing and reducing carbon dioxide levels, photosynthetic organisms mitigate the greenhouse effect and help prevent global warming.