Without plants there would be nothing to eat and nothing to breath.
The two important things that plants provide for the living world are oxygen and food. Plants are responsible for the presence of oxygen which is needed for most organisms on the planet. Plants are also a source of food, whether directly (vegetables and fruit) or indirectly (eating what ate the plants). Without plants humans would not exist.
They provide there own food source (photosynthesis). which in turn provide food for others, herbivores (plant eaters). which provide for for carnivores (meat eaters)
plants provide food and plants provide carbon dioxide
No, plants in an aquarium provide oxygen to the animals.
The jobs and services around the world provide from plants and animals.
The sun provides energy to plants.
Roots in general provide anchorage to the plants
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The some need of the animals in the aquarium that plants can provide is oxygen.
Plants such as trees, grass, and flowers provide oxygen as a byproduct of photosynthesis.
The provide pure oxygen.
Animal life depends on plants in two ways. Plants provide food for many animals and also, the plants provide oxygen for animals