Answer: Characteristics: The fins are supported by rays, as the name indicates. In contrast to the cartilaginous fish they have a rigid skeleton. The swim bladder is also a unique feature of most ray-finned fish, enabling them to maintain buoyancy as they move up or down in the water.
Otitis Media is inflammation of the middle ear (-itis means inflammation, ot- from Ancient Greek for ear, media = (Latin) middle
Answer:
both aerobic respiration and fermentation produces carbon dioxide as a product but however fermentation occurs without oxygen and this was seen in the experiment.
Cells.........they are the basic structural and functional unit of life
