From the air around them, through breathing with lungs - the normal arrangement for mammals.
No, black rhinos do not breathe out oxygen; all animals, including black rhinos, exhale carbon dioxide. They inhale oxygen during respiration, which is then utilized by their bodies for energy. The process of respiration involves taking in oxygen from the air and releasing carbon dioxide as a waste product.
Rhinos live for a while with other rhinos
No, there are no rhinos in Saint Lucia. Rhinos are native to Africa.
Rhinos are vertebrates.
Rhinos are herbivores :)
yes we do have rhinos
yes rhinos they do grow
Rhinos very fat.
rhinos are hunted for their horns
No. Rhinos are herbivores, plant eaters, and wouldn't eat another rhino.
Yes rhinos are very social, rhinos naturally have a desire to be around other rhinos and are often seen in small flocks. In addition, rhinos have a inherent ways of interacting with other rhinos through specific movements of their horns
One would think that the amount of oxygen used, would be the same as a herd of purple rhinos and black hippos, in the same situation. That is assuming a space craft could be developed that would carry the weight of the said animals to the space station in the first place