They were similar to modern humans in that they were bipedal (that is, they walked on two legs), but, like apes, they had small brains. Their canine teeth were smaller than those found in apes, and their cheek teeth were larger than those of modern humans.
Mitochondria, plastids and chloroplast all are surrounded by a double membrane
Answer:
the mass if the mouse minus the mass of waste produced by the snake
