No, plants in an aquarium provide oxygen to the animals.
The some need of the animals in the aquarium that plants can provide is oxygen.
By using an air stone or a filter that adds oxygen to the water.
Air bubbles will do nothing. What is needed is a filter.
yes
Having a filter in your aquarium is important for maintaining water quality by removing waste and debris. However, a bubbler is also beneficial as it helps to oxygenate the water and create surface agitation, which can improve gas exchange. While a filter is essential, a bubbler can provide additional benefits for the overall health of your aquarium inhabitants.
A small pebble from inside the aquarium
An under gravel aquarium filter is one where the filter is located beneath the gravel. The filter is responsible for keeping the tank oxygenated and looks better out of sight.
$39.99
put a filter in
follow the instructions.
water level in aquarium not high enough or if it is, add some water to the filter equipment and sound will stop : )