Question

· Охарактеризуйте планетарную роль процесса фотосинтеза. Какие организмы впервые проявили способность к фотосинтезу и за счет содержания какого вещества?

Answer 1

1.Фотосинтез важен потому что именно с помощью него мы можем дышать. Надеюсь все знают процесс фотосинтеза.
2. Я думаю что трава, за счёт хлорофилла, который содержится в хлоропластах, которые содержаться в клетках любого растения

Answer 2

The Planetary Role of Photosynthesis

Photosynthesis is a crucial process that plays a significant role in the planet's ecosystem and sustains life on Earth. It is the process by which green plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose (a form of sugar) and oxygen. This process is essential for the production of food, the release of oxygen into the atmosphere, and the regulation of carbon dioxide levels.

Photosynthesis and Oxygen Production: One of the most significant contributions of photosynthesis is the production of oxygen. During photosynthesis, plants and algae release oxygen as a byproduct, which is then released into the atmosphere. This oxygen is vital for the survival of aerobic organisms, including humans and animals, as it is required for respiration.

Photosynthesis and Carbon Dioxide Regulation: Photosynthesis also plays a crucial role in regulating the levels of carbon dioxide in the atmosphere. Carbon dioxide is a greenhouse gas that contributes to global warming and climate change. Through photosynthesis, plants and algae absorb carbon dioxide from the atmosphere and convert it into glucose. This process helps to reduce the concentration of carbon dioxide in the air, acting as a natural carbon sink.

Photosynthesis and Food Production: Photosynthesis is the primary source of energy for most living organisms on Earth. Green plants, algae, and some bacteria use photosynthesis to produce glucose, which serves as a source of energy for their growth and development. Additionally, photosynthesis is the foundation of the food chain, as it provides the energy and organic compounds necessary for the survival of other organisms. Through the process of photosynthesis, plants produce carbohydrates, proteins, and lipids, which are essential nutrients for animals and humans.

The First Organisms to Exhibit Photosynthesis and the Role of Chlorophyll: The ability to perform photosynthesis first evolved in ancient bacteria around 3.5 billion years ago. These early photosynthetic organisms were likely similar to modern cyanobacteria. Cyanobacteria are prokaryotic organisms that can carry out photosynthesis in a process called oxygenic photosynthesis. They were the first organisms to produce oxygen as a byproduct of photosynthesis, which significantly influenced the Earth's atmosphere and the evolution of life.

The key pigment responsible for capturing light energy during photosynthesis is chlorophyll. Chlorophyll is a green pigment found in the chloroplasts of plant cells and the membranes of cyanobacteria. It absorbs light energy from the sun and initiates the process of photosynthesis by converting it into chemical energy.

Conclusion: In summary, photosynthesis plays a vital role in the planet's ecosystem. It is responsible for oxygen production, carbon dioxide regulation, and food production. The ability to perform photosynthesis first evolved in ancient bacteria, specifically cyanobacteria, which produced oxygen as a byproduct. The pigment chlorophyll is essential for capturing light energy during photosynthesis.