SOLAR SYSTEM

UNIVERSE

LIFE IN THE SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If there were no water on Earth, would people be able to live here?
A
No; humans as well as all other organisms need water to live.
B
Yes; only plants must have water to survive.
C
No; only plants can live without water.
D
Yes; humans would eat snow for water.
Explanation: 

Detailed explanation-1: -Without water, life as we know it would not exist. And life exists wherever there is water. All organisms, like animals and plants, use water: salty or fresh, hot or cold, plenty of water or almost no water at all.

Detailed explanation-2: -Water is vital for bodily functions such as regulation of temperature, nutrient uptake, removing wastes, body weight, and health. Losing one tenth of the body’s water can results in death as the body will shut down. Animals don’t have the same luxurious that humans do when it comes to sourcing fresh water.

Detailed explanation-3: -This process is called anhydrobiosis – life without water. Anhydrobiosis is found in bacteria, many ‘protozoa’, in fungi and in plants.

Detailed explanation-4: -Water is essential to life, without water life on earth would not exist. Water makes up a major part of our bodies which are made up of cells. Water forms between 70 and 95% of the mass of the cell. This means that we are made up of approximately 80% water.

Detailed explanation-5: -Water’s extensive capability to dissolve a variety of molecules has earned it the designation of “universal solvent, ‘’ and it is this ability that makes water such an invaluable life-sustaining force. On a biological level, water’s role as a solvent helps cells transport and use substances like oxygen or nutrients.

There is 1 question to complete.