Gill ridges and a bony tail....
Charles Phillipe Robin, I think...
Brainliest answer, please? My friend and I are competing :)
Magnolias, laurel, barberry, early sycamores, and palms.
Mitochondria are the energy factories of the cells. The energy currency for the work that animals must do is the energy-rich molecule adenosine triphosphate (ATP). The ATP is produced in the mitochondria using energy stored in food. ... This is a very efficient process for using food energy to make ATP.