photosynthetic autotrophs use

'auto' means self and 'trophic' refers to food. So, the organisms, which synthesize their own food using CO 2 , are called the autotrophs and the process is called autotrophic nutrition. Autotrophs include all green plants and some bacteria such as the nit..

These are bacteria which are able to synthesize their own organic food from inorganic substances. They use carbon dioxide for obtaining carbon and utilise hydrogen sulphide (H 2 S) or ammonia (NH 3 ) or hydrogen (H 2 ) as the source of hydrogen to reduce carbon. These bacteria can be dist..

Molecules of chlorophyll-a, chlorophyll-b, carotene and xanthopyhll are situated in the thylakoid membranes. For light energy to be used by living systems, it must first be absorbed. A pigment is any substance that absorbs light. Chlorophyll, the pigment that makes leaves green, absorbs l..

Nutrition can be defined as the process by which an organism obtains food that is used to provide energy and materials for its life sustaining activities There are basically two modes of nutrition: - Autotrophic - Heterotrophic Autotrophic Nutrition Organisms which..

They are the autotrophs. Their activity sustains all the organisms as they alone can trap the solar energy into food. This in turn is used by the next categor..

. Second law of thermodynamics states that processes of energy transformation will not occur spontaneously unless there is degradation of energy from a non - random to a random form. Energy transformations, which occur within the ecosystem are considered in ecological energetics. The quantity of so..

Question: What is autotrophic nutrition? Answer: The process by which the organisms synthesise their own food using carbon dioxide and water is called autotrophic nutrition. For example, green plants, sulphur bacteria, et..

The first photosynthetic organism probably appeared almost three billion years ago. With the evolution of photosynthesis, however, organisms began to change the face of our planet and, as a consequence, to exert strong influences on each other. Organisms have continued to change the envir..

It is the carbon compounds that are the source of energy to all the organisms. In case of autotrophs, the source of carbon is inorganic. They use inorganic molecules to synthesize organic molecules. Whereas the heterotrophs derive energy from the organic substances synthesized b..

Photosynthesis is the only process which produces enormous quantities of organic matter for sustaining the life on this globe. It is the only known method of manufacture of organic food from inorganic raw materials. Animals including man are directly or indirectly dependent on photosynthetic..