Question

Give one word for the following.

Aquatic animals take in this gas dissolved in water.

Answer 1

• Oxygen is a gas that is dissolved in water and can be used by aquatic animals for their respiration process. Gills present in aquatic animals help them in squeezing the oxygen from the water.
• Oxygen is also mixed in soil from where the plants absorb them by root for their respiration.
• Respiration: It is the process in which living organisms use oxygen for the oxidation of glucose and in this process, the energy which is released is stored for day-to-day work. The by-product of respiration is carbon dioxide which is then released by organisms in the environment.