Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.
The right answer for the question that is being asked and shown above is that: "Secondary Succession" Assuming this land was once a farmer’s field with previously established vegetation, the process that does this photograph best represent is secondary succession.
A carbon footprint measurement helps check the ecological issue of global warming that the world is currently facing. The correct answer is A.
People who have darker skin have more melanin which is a black or dark brown pigment in the skin. When we are out in the sun our skin produces more melanin, which helps our skin be more resistant in the sun. This is why we tan.