What do we mean by the 'characteristics' of living organisms? 

The characteristics of living organisms are a set of features that all living organisms have in common, and have to have to be considered 'alive'.

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We can remember the 7 characteristics of living organisms using the acronym 'MRS GREN'. What does the M stand for?

Movement - the idea that living organisms are able to move in some way. 

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We can remember the 7 characteristics of living organisms using the acronym 'MRS GREN'. What do the two R's stand for?

Respiration - the idea that organisms carry out chemical reactions to release the energy they need.


Reproduction - the idea that organisms can reproduce to make new organisms.

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We can remember the 7 characteristics of living organisms using the acronym 'MRS GREN'. What does the S stand for?

Sensitivity - the idea that living organisms can sense (and respond to) changes in their environment. 

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We can remember the 7 characteristics of living organisms using the acronym 'MRS GREN'. What does the G stand for?

Growth - the idea that living organisms can grow larger (or increase their mass).

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We can remember the 7 characteristics of living organisms using the acronym 'MRS GREN'. What does the E stand for?

Excretion - the idea that living organisms produce waste (e.g. carbon dioxide or urine).

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We can remember the 7 characteristics of living organisms using the acronym 'MRS GREN'. What does the N stand for?

Nutrition - the idea that living organisms require nutrients to survive and grow.

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Other than the 7 characteristics of living organism covered by the acronym MRS GREN, what else do all living organisms have in common?

They are all made of cells. 

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