Medical ~ Biology ~ Digestion And Absorption ~ 9062 ~ why not from food ~ iPractice

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why not from food

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over 8 years ago

Shiwangi

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Basically plants emits oxygen during photosynthesis and that is the crucial things for animals

almost 7 years ago

Puneet tri...

Becoz we can live without food for someday, but we can't live without oxygen for one day

almost 7 years ago

Xxxx

Not food because just after death of plant, the food from the plant can be used for longer duration through preservation and other techniques. But on the other hand oxygen have it's continuous usage and thus can't be preserved like food.

almost 7 years ago

Juyee.bisw...

without foodm capablity of living is comparitively higher than in case of oxygen... Oxygen being the foremost need for life to survive , oxygen is the accurate answer.

almost 7 years ago

Sangeertha...

not only animals but all creatures on earth need air to survive. we can survive for2 days without food... but imagine of an hour without oxygen???

almost 7 years ago

Yadhu kris...

it should be both food & oxygen because plants are primary producers

almost 7 years ago

Zeel

There r not only herbivores in d world but also carnivores

almost 7 years ago

Aarthy

Oxygen

almost 7 years ago

Tzny

oxygen is primary and foremost to survive

almost 7 years ago

Ruchi bhan...

This is because we can suvive for a few days without food. But humans can't survive without oxgen for a single minute

almost 7 years ago

Chris123

Because we can have fungi, bacteria as food

almost 7 years ago

Kim hyun j...

food

almost 7 years ago

Mohit bajo...

but most necessary is oxygen than food

almost 7 years ago

Sumitha

person can survive without food a week but without oxygen wecannot survive

almost 7 years ago

Dinesh

If the be no plants then there be a shortage of oxygen, with its shortage the animals cannot survive, then there will be no life on earth. Oxygen is a vital elements in life forms. So, oxygen will be the correct one.

almost 7 years ago

Debajit ch...

Oxygen because we can use fungi and bacteria for food

almost 7 years ago

Larkashi

1 because oxygen requirement is vital. Without oxygen a man can,t live a hour but without food can

almost 7 years ago

Rajkishore...

because animals can eat other animals also but they can not get oxygen from others other than plants

almost 7 years ago

Abhigyan

from oxygen as the animal can survive without food for a few days but cannot survive without oxygen for even some time

almost 7 years ago

Shraddha

in absence of plants oxygen will be reduced in environment and animal can survive for days without food but not without oxygen.

almost 7 years ago

Abhimanyu ...

BECAUSE THE CO2 REALISING BY ANIMALS WAS ADSORBED BY PLANTS AND THEY REALEASE OXYGEN TO ANIMALS ADSORPTION (SO I THOUGHT IT'S A CORRECT ANSWERS)

almost 7 years ago

Jayasurya

our body has some reserved fats to survive for few days without food but without oxygen we cannot survive even for few minutes

almost 7 years ago

Vaishnavi

All plants and animals can live without food for few day but cannot live without oxygen

about 7 years ago

Gowtham

because you can stay alive without food for even 2-3 days but without oxygen for not even a minute

about 7 years ago

Stewina je...

first of all the basic requirement is oxygen if there is no oxygen the how can we survive

about 7 years ago

Subhakanta...

Because First of all for survival animals need oxygen after that food needed

about 7 years ago

Rahul

first of all oxygen is our basic need ,without oxygen we cannot do anything; but food is our second source for energy so oxygen is the correct answer

about 7 years ago

Pooja

If all plants are die there is no oxygen in the atmosphere, all animals are die

over 7 years ago

Daniel

If we won't get oxygen then how can we survive to eat food ?? ....without food a person can withstand atleast for few days but without oxygen a person can't live ... he'll definitely die

almost 8 years ago

Harita

since we get food from other soure tooo but if oxygen is not there we will not be able to survive

almost 8 years ago

Vinoth

oxygen

almost 8 years ago

Mitra

it is because plants are the major producers of oxygen. and animals need oxygen for survival... hope it helps

almost 8 years ago

Nameeta

oxygen ,food

almost 8 years ago

Sridevi

because without food we can live for some days but without oxygen we can't live for a single day only. so as compare to food and other things oxygen iis very important.

almost 8 years ago

Shital kum...

because oxygen is most abundent for us and plant also

almost 8 years ago

Monika sin...

oxygen is released through photosynthesis ,which takes place only in the presence of plants.if the plants die the most important life supporting oxygen would be exhausted .

almost 8 years ago

Nithya els...

Only animals starve from oxygen not from food because animals can feed on single celled protein also also some useful micro organisms

almost 8 years ago

Are lakshm...

oxygen is mainly needed for berathing.....you can live without food for 2-3 days...but without oxygen,it is impossible for survival

almost 8 years ago

Shree vaij...

BECAUSE PLANTS TAKE IN CARBON DI OXIDE AND GIVES OUT OXYGEN WHICH IS ESSENTIAL FOR LIVING BEINGS.

almost 8 years ago

megana

i am not sure

almost 8 years ago

Getsey ais...

animal can also get food from algae & animal itself

almost 8 years ago

Sonia

An animal can live without food for few days .but can live without oxygen only for few minuites

almost 8 years ago

Harshita

Yeah its logically right but we could not exist without (oxygen)respiration and we would control our hunger but not the respiration a long time as the duration we control the hunger :)

almost 8 years ago

Merlin

oxygen

almost 8 years ago

Mangesh va...

the answer is oxygen because food is present more a man can live withoutfood for onemonth but he cant live without oxygen for fiveminutes. And all the organisms are not depended on plants for the food.

almost 8 years ago

Chandra mo...

animals are not getting food from plants only.they are getting foods from different animals also.but plants are major source of oxygen

almost 8 years ago

Nihila

we can have our necessary element oxygen by the respiration of plants...which is their out product and also our source for breathing...we can have our food also by the other tecniques..but without oxygen we will die...thats why plants take carbon dioxide for breathing to help us

about 8 years ago

Shatabdi d...