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Living organisms that produce oxygen and food that animals need are called producers. For example, plants are producers because they make their own food.
Oxygen enters the blood to become available to cells.
Humans and animals breathe in oxygen and breathe out carbindioxide. The trees breathes in the carbindioxide and breathes out the oxygen. So a tree living in any ecosystem is important because without it anything in the area wouldn't be able to breathe.
bcause animals need oxygen 2 breathe & plants give off oxygen in exchange 4 CO2. & animals breathe out CO2.
If by breathing you mean inhaling oxygen, then no, because there are plenty of organisms that are anaerobic and does not require oxygen.
Animals take in oxygen and release carbon dioxide.
Humans and animals use oxygen to breathe. Plants exhale oxygen.
It gives animals oxygen
even plants and most of the living organisms need oxygen
You need trees for oxygen. Animals die and lose their home,
People and animal use the oxygenAll animals require oxygen in some form.
Because every living thing needs oxygen
Living organisms that produce oxygen and food that animals need are called producers. For example, plants are producers because they make their own food.
Hi
Oxygen is available in all three, essential to living
In the case of fish in a pond, completely submerged plants are helpful in that they add oxygen to the water and offer a food source. They also add oxygen to the air surrounding the pond for lunged animals that live there.
Oxygen. of course!! All living beings need oxygen to live on earth.