Difference between revisions of "MRS GREN"

Revision as of 08:46, 2 September 2018

MRS GREN is a memory tool to help remember what makes something alive.

If something is Alive is must be able to:


Move - A uses its legs and wings to move in search of food. Respire - A fly gets energy from the food they eat. Sense - A fly can see with its eyes and taste with its feet. Grow - A fly begins its life in an egg and grows into a maggot before becoming a fly. Reproduce - Flies can mate to make new flies. Excrete - A fly breaths out waste gas and leave droppings of waste material. Nutrition - Flies must take in new material by eating food.	Move - The leaves of an oak tree will move to aim toward the sun. Respire - Trees make their own food and send it around the tree to be used for energy. Sense - Oak trees sense the change in temperature and amount of light and lose their leaves in winter. Grow - Oak trees begin as a small seed and grow up to 20 metres tall. Reproduce - Oak trees make seeds called acorns which can grow into new oak trees. Excrete - Oak trees let out waste gases. Nutrition - Oak trees take in minerals and water the soil.

MRS GREN is an acronym used to help remember the criteria for something to be considered alive.

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.
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.
Reproduction - All living creatures can make copies of themselves.
Excretion - All living creatures can get rid of waste materials.
Nutrition - All living creatures can take on new materials for movement, growth and repair.

@@ Line 16: / Line 16: @@
 {| class="wikitable"
 |-
-|[[File:Fly.png|center|200px]]
+|[[File:Fly.png|center|400px]]
-|[[File:OakTree.png|center|200px]]
+|[[File:OakTree.png|center|400px]]
-|[[File:Mushroom.png|center|200px]]
 |-
-| style="height:20px; width:200px; text-align:center;" |
+| style="height:20px; width:400px; text-align:center;" |
 : '''Move''' - A uses its legs and wings to move in search of food.
 : '''Respire''' - A fly gets energy from the food they eat.
@@ Line 28: / Line 27: @@
 : '''Excrete''' - A fly breaths out waste gas and leave droppings of waste material.
 : '''Nutrition''' - Flies must take in new material by eating food.
-| style="height:20px; width:200px; text-align:center;" |
+| style="height:20px; width:400px; text-align:center;" |
 : '''Move''' - The leaves of an oak tree will move to aim toward the sun.
 *'''Respire''' - Trees make their own food and send it around the tree to be used for energy.
@@ Line 36: / Line 35: @@
 *'''Excrete''' - Oak trees let out waste gases.
 *'''Nutrition''' - Oak trees take in minerals and water the soil.
-| style="height:20px; width:200px; text-align:center;" |Text
 |}