How changes of temperature effect living organisms in water?

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Jahirul Mazumder answered this

Dear Student.
Please find below the solution to the asked query.

Change in temperature will affect the growth and reproduction of aquatic animals. Change in temperature may affect the proteins present in cell, which in turn will interfere with metabolic processes. Change in temperature may also effect the behavioural pattern within aquatic animals.

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Vishnu answered this

Changes in temperature affect aquatic life. Temperature determines which organisms will thrive and which will diminish in numbers and size. For each organism there is a thermal death point. Also there is a range of temperature of that produces optimal abundance. The effects of temperature upon life of a cold blooded or poikilotherm are profound. Poikilothermic animals, such as fish, are those whose body temperatures follow closely the temperature of their medium.

These animals have coped with temperature problems in different ways. Not only the organism survival, but growth and reproduction of each organism have critical temperature ranges. Each organism must be favored by the proper temperature if the individual or its population are going to survive. For instance, temperature influences enzymatic reactions through hormonal and nervous control to digestion, from respiration and osmoregulation to all aspects of an organism’s performance and behavior.

High and low temperatures that are lethal to individual organism of a species determines the distribution and abundance it’s populations. However, more often the distribution and abundance of populations is determined by less than lethal temperatures interacting with other environmental factors that either tend to favor or not to favor reproduction and growth.

Increased water temperature is an important consideration when toxic substances are present in water. Many substances (i.e. cyanides, phenol, xylene, zinc) exhibit increased toxicity at elevated temperatures. These toxicities and other physiological interactions are also influenced by temperature acclimation or history of the species.

Akshitha answered this

Jayanth answered this

Lakes and rivers would dry up, glaciers would disappear, there would be no rain, so we would all starve. There would be no snow, so no skiing, either. Riots, mayhem, death and destruction everywhere.

depending on which point stopped, eventually all of the water would find its way into the ocean, or suspended in the air as vapor. We would only have salt water and pretty much every living organism on the planet would die within a few days - what a drag. Some of the larger lakes would be around for a whil, but eventually they would evaporate or we would drink them dry... resulting in extreme thirst for all - bummer Report Abuse
Lakes and rivers would dry up, glaciers would disappear and it would stop raining as well as all other forms of precipitation. Riots would break out and all kinds of chaos would ensue. public transport would be shut down as well as roads. It would be a post-apocalyptic scenario. In a few days of this lifestyle, every living creature on earth would be DEAD!