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==Key Stage 2==
===Meaning===
[[MRS GREN]] is a memory tool to help remember what makes something [[alive]].
===MRS GREN===
If something is [[Alive]] is must be able to:
*'''Move''' - To change direction.
*'''Respire''' - Get energy from food.
*'''Sense''' - To be able to respond to changes in the environment.
*'''Grow''' - Get get bigger.
*'''Reproduce''' - To make copies of itself.
*'''Excrete''' - To get rid of waste products.
*'''Nutrition''' - To take in new materials for growth and repair.
==Key Stage 3==
===About MRS GREN===
: [[MRS GREN]] is a [[mnemonic]], which is a tool to help remember something.
: [[MRS GREN]] stands for:
*'''Movement''' - All living creatures can change direction when moving.