How do I remember Mrs Gren?
The phrase MRS GREN is one way to remember them:
- Movement – all living things move, even plants.
- Respiration – getting energy from food.
- Sensitivity – detecting changes in the surroundings.
- Growth – all living things grow.
- Reproduction – making more living things of the same type.
- Excretion – getting rid of waste.
What does the acronym Mrs Gren mean?
Gren”, which stands for movement, respiration, sensitivity, growth, reproduction, excretion, and nutrition.
What is reproduction in Mrs Gren?
REPRODUCE. Reproduction is the creation of a living thing from an existing organism. The simplest form of reproduction is the division of one cell into two. For large, multi-cellular organisms reproduction is more complicated than a single division of a cell. Reproduction can occur sexually or asexually.
What is growth in Mrs Gren?
Growth:Growth is an irreversible change in mass. It is possible because respiration provides excess energy for organisms to use to grow. Excess energy can be used for the production of new cells and tissue which inevitably leads to the growth of an individual.
Do viruses carry out Mrs Gren?
Viruses only reproduce, they do not perform other MRSGREN functions. Viruses only contain genetic material / DNA / RNA. (b) Viruses are difficult to grow in the laboratory because they need a living host to reproduce.
What is respiration in Mrs Gren?
RESPIRATION. Respiration is the conversion of energy from carbohydrates and fats into energy that can be used by cells. In multi-cellular organisms, respiration is built around the breakdown of sugars with the use of oxygen. This produces carbon dioxide as a by-product.
What does movement mean in Mrs NERG?
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. Nutrition – All living creatures can take on new materials for movement, growth and repair.
Is fire sensitive Mrs Gren?
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.