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Most Marine organisms require oxygen to survive. Most do not need to breathe air to do so as there is oxygen dissolved in water that can be absorbed.
There are a few organism, the smallest ones, that are anaerobic and do not require oxygen. Other than single cell organisms. they are rare.
Wiki User
∙ 11y ago
Wiki User
∙ 8y agoNo. Anaerobic bacteria do not need oxygen. Oxygen is actually toxic to some of them.
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What forms of life do not require oxygen?
The first multicellular life does not need oxygen. That is the only type of life that does not need any oxygen at all basically. It is because a lot of organisms do not need the respiratory system at all.
What is the key ingredient that all organisms need?
All organisms need oxygen to live.
What gas must animals breathe to live?
Oxygen. of course!! All living beings need oxygen to live on earth.
Why do you need trees to live?
You need trees to live because they are the biggest plant to give oxygen.And you all need oxygen to breathe, to live.
What happen if all oxygen converted into ozone?
If all the oxygen was converted into ozone, there will be no breathing gas. We need oxygen to support human life.
Were do the red blood cells take your oxygen?
To all of the other cells of your body that need oxygen to live.
Do ladybirds need air to live?
Yes, all living creatures require oxygen to live.
What is the one substance that all things need to maintain life?
oxygen
What component of air do animals require?
All animals need oxygen to live.
What do cells need to live?
Energy, oxygen, water, and proteins. I think that's all
Why is earths oxygen breathabale?
First of all it is spelled 'Oxygen'. It is not that Earth's Oxygen is more breathable than another planet's. We have just evolved to need Oxygen to live. Other planets don't have as much Oxygen as we need to live. They have other gases that would kill us instantly. That is why we need spacesuits to be able to walk on the moon and other planets. The same goes for Outer Space. Outer Space has no Oxygen at all.
Does most life on earth need oxygen or is Most not need it?
all animals need oxygen no matter whether they get it from the water or air or through their skin. plants don't need oxygen that i know of they convert carbon dioxide to oxygen truthfully I'm not sure about bacteria, viruses, protisits, etc (microscopic life) but I'm pretty sure they get energy from oxygen.
