well you need animals to have plants cause plants breathe and so do animals. animals breathe what plant exhale and we breathe what plants exhale.
animals role in the ecosystem is to produce carbon dioxide(C02) and then the plants breathe the co2 in and produce oxygen that we breathe oxygen=animals breathe in co2 =plants breathe in co2 =animals breathe out oxygen = plants breathe out
Plants breathe in carbon dioxide and breathe out oxygen; animals breathe in oxygen & breathe out carbon dioxide.
Animals do not use up all the oxygen in the atmosphere because plants produce oxygen. When they breathe, plants inhale carbon dioxide (which is what animals breathe out) and exhale oxygen (which is what animals breathe in).
Plants and animals have a synergistic existence, meaning that they benefit from each other in their survival. When animals breathe in air, their bodies remove the air's oxygen and use it for fuel. When they breathe out, they breathe out carbon dioxide. Plants love carbon dioxide. They take it and convert it back to oxygen which they then disperse into the air for animals to breathe. Your answer is "carbon dioxide".
Plants i guess...
Carbon Dioxide
The animals cannot breathe
All organisms respire. Plants do not breathe, but they respire. Animals breathe to respire.
bcause animals need oxygen 2 breathe & plants give off oxygen in exchange 4 CO2. & animals breathe out CO2.
oxygen
they eat and they breathe the air there