Question

All living thing?Do all the living thing breathe?Describe how they obtain their oxygen.

Answer 1

$\huge\orange{As-Salamu-Alykum}$


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Yes , all living things breathe ,Because when they breathe they inhale O2 and give out CO2 .


This O2 combines with glucose and inturn convert into energy ATP


So its a source of energy for living organism .


And ......


From where do they get this O2 ?



Answer to this question is :-


Plants take CO2 and give out O2 and 21% Oxygen is present in Atmosphere so from there we human beings take Oxygen



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$\huge\purple{INSHALLAH it will help U}$

Answer 2

Yes all organism breathe for their survival

Some orgainsms intake oxygen aerobically and some anaerobically

Organism like human,dog,catetc respire aerobically

Organisms like yeast respire anaerobically

Anaerobic organism s respire in absence of oxygen with the help of fermentation process

The Anaerobic process can be represented as -

Glucose------------pyruvate------------carbondioxide+water+energy