A female fox is called a vixen
Answer:
In animals, oxygen combines with food in the cells to produce energy for daily activity and then gives off carbon. The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
1, 2, 3, 5, 6
Plasmid is mostly found in bacterial cell, but few can be found in animal cells