Web29 de mai. de 2024 · One acre of algae can remove up to 2.7 tons per day of CO₂. Certain species of microalgae have also been shown to efficiently remove CO₂ in environments … WebAlthough some researchers align them near the red algae, because both groups possess phycobiliproteins in their chloroplasts, most scientists suggest that independent symbiotic …
The origin of atmospheric oxygen on Earth: The innovation of
Web27 de fev. de 2001 · Oxygen (O 2) production by photosynthesis is by far the dominant global process that replenishes atmospheric and oceanic oxygen essential to sustain all aerobic life.Geochemical records of terrestrial oxides indicate that O 2 evolution must have taken place in the precursors to cyanobacteria before ca. 2.8 billion years ago and led to … Web17 de jul. de 2008 · But scientists still understand very little about how and why marine algae make DMS, how it moves through the food web in the upper ocean, or how much of it gets into the lower atmosphere. Despite its potential impact on climate, the amount of attention focused on DMS remains relatively small, and scientists continue to be … c int access
Evolution of the atmosphere History, Composition, Changes,
WebHeavy metals such as Cd pose environmental problems and threats to a variety of organisms. The effects of cadmium (Cd) on the growth and activities of photosystem I (PSI) and photosystem II (PSII) of Chlorella pyrenoidosa were studied. The growth rate of cells treated with 25 and 100 µM of Cd for longer than 48 h were significantly lower than the … Web9 de ago. de 2001 · Lichens are believed to have been the first fungi to team up with photosynthesizing organisms like cyanobacteria and green algae. Lichens can live without rain for months, providing protection... WebPhotosynthesis is the process by which light energy is converted to chemical energy whereby carbon dioxide and water are converted into organic molecules. The process occurs in almost all algae, and in fact much of what is known about photosynthesis was first discovered by studying the green alga Chlorella. Photosynthesis comprises both light … dial indicator worksheet