Glossopteris is an ancient, extinct species of what?

Glossopteris is an ancient and extinct species of seed ferns known as Glossopteridales. They came from the Greek word glossa, which means “tongue,” because its leaves were tongue-shaped. It is actually the largest and best-known genus of seed ferns that rose in the Southern Hemisphere during the beginning of the Permian Period (298.9 million years ago).

1. protection 2. homeostasis 3. storage4.blood formation5.bone marrow 6.movement

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.