Fire is non-living but judge it with MRS GREN with your 11 year old child hat on and it might not be so clear: Movement – fire spreads. Respiration – fire consumes oxygen (not visible but might be prior knowledge) Sensitivity – when you blow on fire it moves.

What is Mrs C Gren? Living things display certain characteristics that may be absent from material objects. MRS GREN is an acronym often used to help remember all the necessary features of living organisms: Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion and Nutrition.

Also, What does excretion mean in Mrs Gren? Plants and animals use various ways to get rid of the waste materials from their body. This process is called excretion.

What is Mrs NERG in biology?

Although her name sounds a bit strange, the letters in it stand for the life processes – movement, reproduction, sensitivity, nutrition, excretion, respiration and growth.

22 Related Questions and Answers

Does fire excrete?

Fire can move from room to room in a burning house (rule #1). It consumes flammable items and oxygen while excreting ashes and carbon dioxide (rule #2). Fire demonstrates its ability to react when it is fed quantities of water or gunpowder (rule #3). … Thus, according to these rules, fire is alive!

Why do children think fire is alive?

Children tend to think fires are living because they consume wood, move, require air, reproduce (sparks cause other fires) and give off waste (such as smoke).

Is a virus alive?

Many scientists argue that even though viruses can use other cells to reproduce itself, viruses are still not considered alive under this category. This is because viruses do not have the tools to replicate their genetic material themselves.

What is excretion in Mrs Gren?

Excretion. Plants and animals use various ways to get rid of the waste materials from their body. This process is called excretion.

What does movement mean in Mrs Gren?

MRS GREN stands for: Movement – All living creatures can change direction when moving. Respiration – All living creatures can get energy from food. Sensitivity – All living creatures can respond to changes in the environment. Growth – All living creatures can get bigger by taking on new material.

What does the E stand for in Mrs Gren?

Gren”, which stands for movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition.

Why is a virus not considered living?

Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.

Why is fire not considered alive?

The reason fire is non-living is because it does not have the eight characteristics of life. Also, fire is not made of cells. All living organisms is made of cells. Although fire needs oxygen to burn, this does not mean it is living.

Does a fire reproduce?

Although you could argue to some extent that fire has the ability to grow, change, consume energy, and respond to stimuli, it certainly does not contain cells or reproduce.

How can I make my pee flammable?

The trick is, assuming you have no other way of starting a fire that’s less revolting, to take a plastic water bottle and fill it up with your pee (the pee must be ordinary pee and not dark dehydrated urine), then put the cap back on securely. Turn the bottle upside down and hold it in the sun’s rays.

Is fire alive Yes or no?

People sometimes think fire is living because it consumes and uses energy, requires oxygen, and moves through the environment. Fire is actually non-living. … They use oxygen and produce carbon dioxide. Fire does the same thing, but it has no body or has no structured cell system.

Is a water alive?

Water is not a living thing, and its neither alive or dead.

Was a pencil once alive?

Q: Is a pencil alive? … A: No, a pencil is not alive. We know that we are alive because we move, grow, and change. A pencil does not move, grow or change unless we move it or change it (for example: by sharpening the pencil).

Can a fire grow?

FUEL, which can be a solid, a liquid or a gas. Once there is a heat source to cause ignition and a sufficient amount of fuel and oxygen present the fire will continue to burn. … This transfer of heat causes the fire to grow and to spread to other areas.

Are seeds alive?

Viable seeds are living entities. They must contain living, healthy embryonic tissue in order to germinate. All fully developed seeds contain an embryo and, in most plant species, a store of food reserves, wrapped in a seed coat.

Is DNA considered alive?

Is DNA alive? No, it’s not alive…mostly. The only sense in which a DNA molecule is a living thing is that it makes copies of itself, although it can’t even do that on its own. … Viruses are bundles of DNA that become active only when they are inside a cell, at which point they take over the cell and give us the flu.)

Is RNA a life?

The RNA world hypothesis suggests that life on Earth began with a simple RNA molecule that could copy itself. The RNA world hypothesis suggests that life on Earth began with a simple RNA molecule that could copy itself without help from other molecules. DNA, RNA, and proteins are central to life on Earth.

Is a virus?

A virus is a small collection of genetic code, either DNA or RNA, surrounded by a protein coat. A virus cannot replicate alone. Viruses must infect cells and use components of the host cell to make copies of themselves. Often, they kill the host cell in the process, and cause damage to the host organism.

What is Mrs NERG?

To help us remember them we have found a friend to remind you – Mrs Nerg. Although her name sounds a bit strange, the letters in it stand for the life processes – movement, reproduction, sensitivity, nutrition, excretion, respiration and growth.

How can fire reproduce?

A single spark can blow to a different location and start a new fire. That might be considered reproduction! Answer 2: … Fire needs oxygen to burn, and it needs fuel; for something to “burst into flames” it needs to be at a high enough temperature.

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