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Observation is where you observe something and inference is the facts of information about the object
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Baltic sea has brackish water because of the large amounts of runoff
Brackish water has more salinity than fresh water but less than that of seawater.
It begins with cells, tissues, organs, organ system to organism. There are 11 organ systems that work collectively for an organism to function. Each organ is responsible for a different function and has its own structure. The organism system that consist of the body's outer covering is the integumentary system. It consist of skin, hair, nails, and endocrine glands; they are the protectors of the body. The environment such as UV rays are harmful and the skin, hair, nails, etc protect the body as needed.
Answer:
Anaerobic respiration refers to the break down of food (sugar) in absence of oxygen in order to produce energy (ATP or adenosine triphosphate).
In yeast, alcoholic fermentation takes place by which glucose is converted into ethanol (alcohol), carbon dioxide (CO₂), and energy (ATP). It helps in regeneration of NAD⁺ lost during glycolysis. No electron transport chain is required in this process.
The overall reaction can be written as:
Glucose → Pyruvate → Ethanol + Carbon dioxide + ATP.
Contrary, in anaerobic bacteria respiration takes place by using electron acceptor other than oxygen such as sulfate, nitrate, sulfur, fumarate etc. Hence, electrons are passed through a electron transport chain which are finally accepted by any molecule other than oxygen.
Other molecules have less oxidizing potential as compared to the oxygen and thus less energy is released per oxidizing molecule. It makes the anaerobic respiration less efficient as compared to the aerobic respiration.
Examples of anaerobic microbes are methanogens (<em>Methanosarcina barkeri </em>uses CO₂ as final electron acceptor), Desulfuromonadales (uses sulfur as final electron acceptor) etc.
