Land animals get the oxygen they need from the atmosphere. Most aquatic organisms get oxygen dissolved in the water in which they live, and others, like alligators and crocodiles, get oxygen from the atmosphere. Most Plants Give Out Oxygen, And Plants Are All Around Us.
They need Co2 from animals. Which is why we need them, for oxygen.
Oxygen is the gas humans and animals need to breathe in.
Oxygen is produced as a by-product of photosynthesis.
Oxygen
The some need of the animals in the aquarium that plants can provide is oxygen.
The animals need the oxygen that plants release.
They need Co2 from animals. Which is why we need them, for oxygen.
Oxygen is the gas humans and animals need to breathe in.
There is no oxygen. Animals need oxygen to breathe. Plus, no food or water.
Yes they do. All animals need oxygen.
Oxygen
They both need water and food and also oxygen!!
All animals need Oxygen to respire.
even plants and most of the living organisms need oxygen
oxygen
Animals need oxygen to carry out life processes. Plants need carbon dioxide. Some animals and plants can use either if they need to.
The ocean animals need oxygen to survive.