Table of Contents
Does an organism need water?
All living things, from tiny cyanobacteria to giant blue whales , need water to survive. 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.
Where does water come?
The water we drink in our homes and workplaces comes from a variety of sources depending on where you live. Some of us drink water that comes from deep in the earth in the form of “groundwater,” while others drink water that originates as “surface water” in streams and rivers.
Is there an organism that doesn’t need water?
There is no living thing on Earth that doesn’t need water to live. All animals, plants, protists, fungi and bacteria must have water in some form in…
Why do organisms drink water?
Living organisms need water to survive. All oxygen-dependent organisms need water to aid in the respiration process. Some organisms, such as fish, can only breathe in water. Other organisms require water to break down food molecules or generate energy during the respiration process.
Why do organisms need water short answer?
Organisms need water for the following activities: (1) All cellular processes occur due to water. (2) Transportation of substances in our body takes place by dissolving in water. (3) Terrestrial animals require fresh water for transportation of minerals and for getting rid of waste from their body.
Is a water alive?
Water is not a living thing, and its neither alive or dead.
Where do we get water from in our homes?
The water that we use in our house either comes from the groundwater such as wells or from the surface water such as reservoirs, rivers, lakes etc. The main source of the water is the rain water from which the water gets stored in the ground and comes back to us for our usage.
Who found water?
Who discovered the water? It was the chemist Henry Cavendish (1731 – 1810), who discovered the composition of water, when he experimented with hydrogen and oxygen and mixed these elements together to create an explosion (oxyhydrogen effect).
What animal has 32 brains?
Leech has 32 brains. A leech’s internal structure is segregated into 32 separate segments, and each of these segments has its own brain. Leech is an annelid. They have segments.
Do sea animals pee?
Freshwater fish will passively intake water from their environment and then, as their insides are saltier than their surroundings, will excrete a diluted urine. Saltwater fish have to drink water more actively and, as their surroundings are saltier than their insides, will expel a more concentrated urine.
Why do we need water for Std 9?
Q2: Why is water essential for life? Ans: Organisms need water because it plays a vital role in the reaction taking place within organism’s cells and body. Water acts as a universal solvent, providing a medium for the chemical reactions to occur.
Why do organisms reproduce?
Organisms reproduce to continue the chain of life, to pass on its genes which are acquired over millennia. Reproduction is essentially a process by which individuals produce new individuals of the same kind. And this process is very important for the existence of life on earth.
Why are water-based organisms important for living organisms?
Water-based organisms such as fish require water to breathe, directly breathing the oxygen dissolved in water. Without a water supply, they could not access oxygen and would suffocate. Water also helps insulate the living environment for these organisms.
Where do microorganisms in the water supply come from?
Short term gastrointestinal disorders and illnesses such as gastro-enteritis, giardiasis, typhoid, dysentery, cholera, and hepatitis have been linked to water contaminated by microorganisms. The microorganisms which find their way into a water supply can come from a variety of sources including sewage, animal wastes, or dead and decaying animals.
How is water used in a living environment?
Water has many uses for organisms. The way that it is utilized can be categorized in four different ways: as a solvent, as a temperature buffer, as a metabolite and as a living environment.
Why are some organisms only able to breathe in water?
Some organisms, such as fish, can only breathe in water. Other organisms require water to break down food molecules or generate energy during the respiration process. Water also helps many organisms regulate metabolism and dissolves compounds going into or out of the body.